ARM: dts: imx50: fix KPP pin definition typos

iMX50 pin mux options for pads KEY_COL2 and KEY_COL3 allow muxing the same
KEY_COL instances as the pad name. Fix typos shifting KEY_COL instances.
Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx50-pinfunc.h

@@ -34,7 +34,7 @@
 #define MX50_PAD_KEY_ROW1__EIM_NANDF_CEN_1			0x02c 0x2d8 0x000 0x2 0x0
 #define MX50_PAD_KEY_ROW1__CTI_TRIGOUT_ACK7			0x02c 0x2d8 0x000 0x6 0x0
 #define MX50_PAD_KEY_ROW1__USBPHY1_RXERROR			0x02c 0x2d8 0x000 0x7 0x0
-#define MX50_PAD_KEY_COL2__KPP_COL_1				0x030 0x2dc 0x000 0x0 0x0
+#define MX50_PAD_KEY_COL2__KPP_COL_2				0x030 0x2dc 0x000 0x0 0x0
 #define MX50_PAD_KEY_COL2__GPIO4_4				0x030 0x2dc 0x000 0x1 0x0
 #define MX50_PAD_KEY_COL2__EIM_NANDF_CEN_2			0x030 0x2dc 0x000 0x2 0x0
 #define MX50_PAD_KEY_COL2__CTI_TRIGOUT6				0x030 0x2dc 0x000 0x6 0x0
@@ -44,7 +44,7 @@
 #define MX50_PAD_KEY_ROW2__EIM_NANDF_CEN_3			0x034 0x2e0 0x000 0x2 0x0
 #define MX50_PAD_KEY_ROW2__CTI_TRIGOUT7				0x034 0x2e0 0x000 0x6 0x0
 #define MX50_PAD_KEY_ROW2__USBPHY1_LINESTATE_0			0x034 0x2e0 0x000 0x7 0x0
-#define MX50_PAD_KEY_COL3__KPP_COL_2				0x038 0x2e4 0x000 0x0 0x0
+#define MX50_PAD_KEY_COL3__KPP_COL_3				0x038 0x2e4 0x000 0x0 0x0
 #define MX50_PAD_KEY_COL3__GPIO4_6				0x038 0x2e4 0x000 0x1 0x0
 #define MX50_PAD_KEY_COL3__EIM_NANDF_READY0			0x038 0x2e4 0x7b4 0x2 0x0
 #define MX50_PAD_KEY_COL3__SDMA_EXT_EVENT_0			0x038 0x2e4 0x7b8 0x6 0x0