Add port B (sdcard) and port C (eMMC) pinctrl and controllers nodes to
the g12a DT.
Signed-off-by: NJerome Brunet <jbrunet@baylibre.com>
Reviewed-by: NMartin Blumenstingl <martin.blumenstingl@googlemail.com>
Reviewed-by: NNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: NKevin Hilman <khilman@baylibre.com>