omap3_logic: Clean up I2C pin muxing.

The SOM has external pull-up resistors, so let's turn these off.
It was helping reduce some errors when running I2C1 @ 2.6MHz.

Signed-off-by: Adam Ford <aford173@gmail.com>

board/logicpd/omap3som/omap3logic.h

@@ -229,17 +229,17 @@ void set_muxconf_regs(void)
 	MUX_VAL(CP(HSUSB0_DATA6), (IEN  | PTD | DIS | M0)); /*HSUSB0_DATA6*/
 	MUX_VAL(CP(HSUSB0_DATA7), (IEN  | PTD | DIS | M0)); /*HSUSB0_DATA7*/
 
-	MUX_VAL(CP(I2C1_SCL), (IEN  | PTU | EN  | M0)); /*I2C1_SCL*/
-	MUX_VAL(CP(I2C1_SDA), (IEN  | PTU | EN  | M0)); /*I2C1_SDA*/
+	MUX_VAL(CP(I2C1_SCL), (IEN  | EN  | M0)); /*I2C1_SCL*/
+	MUX_VAL(CP(I2C1_SDA), (IEN  | EN  | M0)); /*I2C1_SDA*/
 
-	MUX_VAL(CP(I2C2_SCL), (IEN  | PTU | EN  | M0)); /*I2C2_SCL*/
-	MUX_VAL(CP(I2C2_SDA), (IEN  | PTU | EN  | M0)); /*I2C2_SDA*/
+	MUX_VAL(CP(I2C2_SCL), (IEN  | EN  | M0)); /*I2C2_SCL*/
+	MUX_VAL(CP(I2C2_SDA), (IEN  | EN  | M0)); /*I2C2_SDA*/
 
-	MUX_VAL(CP(I2C3_SCL), (IEN  | PTU | EN  | M0)); /*I2C3_SCL*/
-	MUX_VAL(CP(I2C3_SDA), (IEN  | PTU | EN  | M0)); /*I2C3_SDA*/
+	MUX_VAL(CP(I2C3_SCL), (IEN  | EN  | M0)); /*I2C3_SCL*/
+	MUX_VAL(CP(I2C3_SDA), (IEN  | EN  | M0)); /*I2C3_SDA*/
 
-	MUX_VAL(CP(I2C4_SCL), (IEN  | PTU | EN  | M0)); /*I2C4_SCL*/
-	MUX_VAL(CP(I2C4_SDA), (IEN  | PTU | EN  | M0)); /*I2C4_SDA*/
+	MUX_VAL(CP(I2C4_SCL), (IEN  | EN  | M0)); /*I2C4_SCL*/
+	MUX_VAL(CP(I2C4_SDA), (IEN  | EN  | M0)); /*I2C4_SDA*/
 
 	MUX_VAL(CP(HDQ_SIO), (IEN  | PTU | EN  | M0)); /*HDQ_SIO*/