ARM: apx4devkit: fix the bus-width of SSP0 to 4 bits

Signed-off-by: Lauri Hintsala <lauri.hintsala@bluegiga.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

arch/arm/boot/dts/apx4devkit.dts

@@ -20,10 +20,8 @@
 			ssp0: ssp@80010000 {
 				compatible = "fsl,imx28-mmc";
 				pinctrl-names = "default";
-				pinctrl-0 = <&mmc0_8bit_pins_a
-					     &mmc0_cd_cfg
-					     &mmc0_sck_cfg>;
-				bus-width = <8>;
+				pinctrl-0 = <&mmc0_4bit_pins_a &mmc0_sck_cfg>;
+				bus-width = <4>;
 				status = "okay";
 			};