staging: greybus: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-bootrom.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-spilib.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-hid.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-light.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-log.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-loopback.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-power-supply.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-raw.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-vibrator.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-audio-manager.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-gbphy.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-gpio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-i2c.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-pwm.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-sdio.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-spi.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-uart.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/staging/greybus/gb-usb.o

Add all missing invocations of the MODULE_DESCRIPTION() macro.

Signed-off-by: Jeff Johnson <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/staging/greybus/audio_manager.c

···
 module_init(manager_init);
 module_exit(manager_exit);
 
+MODULE_DESCRIPTION("Greybus audio operations manager");
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Svetlin Ankov <[e-mail]>");

drivers/staging/greybus/bootrom.c

···
 
 module_greybus_driver(gb_bootrom_driver);
 
+MODULE_DESCRIPTION("BOOTROM Greybus driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/camera.c

···
 
 module_greybus_driver(gb_camera_driver);
 
+MODULE_DESCRIPTION("Greybus Camera protocol driver.");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/gbphy.c

···
 }
 module_exit(gbphy_exit);
 
+MODULE_DESCRIPTION("Greybus Bridged-Phy Bus driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/gpio.c

···
 };
 
 module_gbphy_driver(gpio_driver);
+MODULE_DESCRIPTION("GPIO Greybus driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/hid.c

···
 };
 module_greybus_driver(gb_hid_driver);
 
+MODULE_DESCRIPTION("HID class driver for the Greybus");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/i2c.c

···
 };
 
 module_gbphy_driver(i2c_driver);
+MODULE_DESCRIPTION("I2C bridge driver for the Greybus 'generic' I2C module");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/light.c

···
 };
 module_greybus_driver(gb_lights_driver);
 
+MODULE_DESCRIPTION("Greybus Lights protocol driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/log.c

···
 };
 module_greybus_driver(gb_log_driver);
 
+MODULE_DESCRIPTION("Greybus driver for the log protocol");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/loopback.c

···
 }
 module_exit(loopback_exit);
 
+MODULE_DESCRIPTION("Loopback bridge driver for the Greybus loopback module");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/power_supply.c

···
 };
 module_greybus_driver(gb_power_supply_driver);
 
+MODULE_DESCRIPTION("Power Supply driver for a Greybus module");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/pwm.c

···
 };
 
 module_gbphy_driver(pwm_driver);
+MODULE_DESCRIPTION("PWM Greybus driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/raw.c

···
 }
 module_exit(raw_exit);
 
+MODULE_DESCRIPTION("Greybus driver for the Raw protocol");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/sdio.c

···
 };
 
 module_gbphy_driver(sdio_driver);
+MODULE_DESCRIPTION("SD/MMC Greybus driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/spi.c

···
 };
 
 module_gbphy_driver(spi_driver);
+MODULE_DESCRIPTION("Greybus SPI bridge PHY driver");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/spilib.c

···
 }
 EXPORT_SYMBOL_GPL(gb_spilib_master_exit);
 
+MODULE_DESCRIPTION("Greybus SPI library");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/uart.c

···
 }
 
 module_exit(gb_uart_driver_exit);
+MODULE_DESCRIPTION("UART driver for the Greybus 'generic' UART module");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/usb.c

···
 };
 
 module_gbphy_driver(usb_driver);
+MODULE_DESCRIPTION("USB host driver for the Greybus 'generic' USB module");
 MODULE_LICENSE("GPL v2");

drivers/staging/greybus/vibrator.c

···
 }
 module_exit(gb_vibrator_exit);
 
+MODULE_DESCRIPTION("Greybus Vibrator protocol driver");
 MODULE_LICENSE("GPL v2");