arm64: dts: r8a7796-salvator-xs-2x4g: Disable HS400

In R-Car M3 Ver.3.0, SDHI has HW restrictions on HS400 mode.
Therefore, delete the 'mmc-hs400-1_8v' property and disable HS400 mode.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
1 file changed