arm: sunxi: Enable DM_MMC and DM_SCSI

- Enable DM_MMC if MMC defined
- Enable DM_SCSI if SCSI defined

globally through Allwinner platform, the effected SoC families
and boards will make use of MMC and SCSI subsystems in driver-model.

Tested DM_MMC in one board from A64, H6, H5, H3, R40, A83T, A20, A10
SoCs.

Tested-by: Pablo Sebastián Greco <pgreco@centosproject.org> # BPI-M2-Ultra
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4640f3b..f58f8fb 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -857,6 +857,8 @@
 	select DM_ETH
 	select DM_GPIO
 	select DM_KEYBOARD
+	select DM_MMC if MMC
+	select DM_SCSI if SCSI
 	select DM_SERIAL
 	select DM_USB if DISTRO_DEFAULTS
 	select OF_BOARD_SETUP