sunxi: Update selects in arch/arm/Kconfig for DM conversions

With certain features being convert to DM now we want sunxi to default
to having DM enabled for ETH/SERIAL and USB in some cases.

Cc: Hans de Goede <hdegoede@redhat.com>
Cc: Ian Campbell <ijc@hellion.org.uk>
Signed-off-by: Tom Rini <trini@konsulko.com>
[hdegoede@redhat.com: Also select CONFIG_USB for all sunxi builds]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/mk802_defconfig b/configs/mk802_defconfig
index 31bde00..68b2c5e 100644
--- a/configs/mk802_defconfig
+++ b/configs/mk802_defconfig
@@ -9,7 +9,4 @@
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
-CONFIG_DM_ETH=y
-CONFIG_DM_SERIAL=y
-CONFIG_USB=y
-CONFIG_DM_USB=y
+CONFIG_USB_EHCI_HCD=y