mfd: qnap-mcu: Hook up the EEPROM sub-device

Add the qnap-mcu-eeprom platform-driver as sub-device for the MCU.

Signed-off-by: Heiko Stuebner <[e-mail]>
Link: https://patch.msgid.link/[e-mail]
Signed-off-by: Lee Jones <[e-mail]>

drivers/mfd/qnap-mcu.c

···
 };
 
 static struct mfd_cell qnap_mcu_cells[] = {
+	{ .name = "qnap-mcu-eeprom", },
 	{ .name = "qnap-mcu-input", },
 	{ .name = "qnap-mcu-leds", },
 	{ .name = "qnap-mcu-hwmon", }