ARM: i.MX31 iomux: remove duplicates with alternate name

Three iomux were accessinble with two distinct names, typo?
Remove the unused duplicates and fix the typo.

Signed-off-by: Alexander Kurz <akurz@blala.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
diff --git a/arch/arm/mach-imx/mach-pcm037.c b/arch/arm/mach-imx/mach-pcm037.c
index 6d87941..a159a77 100644
--- a/arch/arm/mach-imx/mach-pcm037.c
+++ b/arch/arm/mach-imx/mach-pcm037.c
@@ -149,7 +149,7 @@
 	MX31_PIN_CONTRAST__CONTRAST,
 	MX31_PIN_D3_SPL__D3_SPL,
 	MX31_PIN_D3_CLS__D3_CLS,
-	MX31_PIN_LCS0__GPI03_23,
+	MX31_PIN_LCS0__GPIO3_23,
 	/* CSI */
 	IOMUX_MODE(MX31_PIN_CSI_D5, IOMUX_CONFIG_GPIO),
 	MX31_PIN_CSI_D6__CSI_D6,