ARM: dts: am335x-evm[sdk]: switch mmc1 to 4-bit mode

Set bus-width to make SD card operate in 4 bit mode.
Signed-off-by: Balaji T K <balajitk@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/am335x-evm.dts

@@ -521,4 +521,5 @@ adc {
 &mmc1 {
 	status = "okay";
 	vmmc-supply = <&vmmc_reg>;
+	bus-width = <4>;
 };

arch/arm/boot/dts/am335x-evmsk.dts

@@ -423,4 +423,5 @@ &cpsw_emac1 {
 &mmc1 {
 	status = "okay";
 	vmmc-supply = <&vmmc_reg>;
+	bus-width = <4>;
 };