ARM: ux500: bump MMC/SD max frequency for DT boots

In patch:
"ARM: ux500: Enable 100MHz for SD/SDIO/MMC devices"
the max frequency for the MMC/SD/SDIO adapters was
increased from 50 to 100MHz. Do the same for the
device tree boot path.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Gabriel Fernandez <gabriel.fernandez.st@gmail.com>
Acked-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/arch/arm/boot/dts/snowball.dts b/arch/arm/boot/dts/snowball.dts
index e8219cc7..829a65f 100644
--- a/arch/arm/boot/dts/snowball.dts
+++ b/arch/arm/boot/dts/snowball.dts
@@ -129,7 +129,7 @@
 		// External Micro SD slot
 		sdi0_per1@80126000 {
 			arm,primecell-periphid = <0x10480180>;
-			max-frequency = <50000000>;
+			max-frequency = <100000000>;
 			bus-width = <4>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux3_reg>;
@@ -144,7 +144,7 @@
 		// On-board eMMC
 		sdi4_per2@80114000 {
 			arm,primecell-periphid = <0x10480180>;
-		        max-frequency = <50000000>;
+		        max-frequency = <100000000>;
 			bus-width = <8>;
 			mmc-cap-mmc-highspeed;
 			vmmc-supply = <&ab8500_ldo_aux2_reg>;