ARM: dts: am335x-bone-common: correct mux mode for cmd line

Set pinmux_emmc_pins mux mode for cmd line to MODE2 in order
to detect eMMC on BBB and BBW + eMMC cape.
Signed-off-by: Balaji T K <balajitk@ti.com>
Tested-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Benoit Cousson <bcousson@baylibre.com>

arch/arm/boot/dts/am335x-bone-common.dtsi

@@ -160,7 +160,7 @@ mmc1_pins: pinmux_mmc1_pins {
 	emmc_pins: pinmux_emmc_pins {
 		pinctrl-single,pins = <
 			0x80 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
-			0x84 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_csn2.mmc1_cmd */
+			0x84 (PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
 			0x00 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad0.mmc1_dat0 */
 			0x04 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad1.mmc1_dat1 */
 			0x08 (PIN_INPUT_PULLUP | MUX_MODE1) /* gpmc_ad2.mmc1_dat2 */