sunxi: add MMC pinmux setup for SDC2 on sun9i

The A80 can support 8-bit eMMC with reset on the PC pingroups.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
1 file changed