dmaengine: qcom: add missing MODULE_DESCRIPTION() macros

make allmodconfig && make W=1 C=1 reports:
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dma/qcom/hdma_mgmt.o
WARNING: modpost: missing MODULE_DESCRIPTION() in drivers/dma/qcom/hdma.o

Add the missing invocations of the MODULE_DESCRIPTION() macro, using
the descriptions from the associated Kconfig items.

Signed-off-by: Jeff Johnson <[e-mail]>
Reviewed-by: Jeffrey Hugo <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Vinod Koul <[e-mail]>

drivers/dma/qcom/hidma.c

···
 };
 
 module_platform_driver(hidma_driver);
+MODULE_DESCRIPTION("Qualcomm Technologies HIDMA Channel support");
 MODULE_LICENSE("GPL v2");

drivers/dma/qcom/hidma_mgmt.c

···
 };
 
 module_platform_driver(hidma_mgmt_driver);
+MODULE_DESCRIPTION("Qualcomm Technologies HIDMA DMA engine interface");
 MODULE_LICENSE("GPL v2");