ARM: dts: uniphier: add SD controller node for PH1-LD20

PH1-LD20 does not support 1.8V signaling for SD card; only Default
Speed and High Speed (up to 50MHz) with 3.3V signaling is supported.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
1 file changed