[ARM] pxa: move I2C pin configurations out into board specific files

Signed-off-by: Eric Miao <eric.miao@marvell.com>
diff --git a/arch/arm/mach-pxa/cm-x300.c b/arch/arm/mach-pxa/cm-x300.c
index 36a789c..ff0c577 100644
--- a/arch/arm/mach-pxa/cm-x300.c
+++ b/arch/arm/mach-pxa/cm-x300.c
@@ -136,6 +136,10 @@
 	GPIO82_GPIO | MFP_PULL_HIGH,	/* MMC CD */
 	GPIO85_GPIO,			/* MMC WP */
 	GPIO99_GPIO,			/* Ethernet IRQ */
+
+	/* Standard I2C */
+	GPIO21_I2C_SCL,
+	GPIO22_I2C_SDA,
 };
 
 #if defined(CONFIG_DM9000) || defined(CONFIG_DM9000_MODULE)