i.mx: i.mx6x: NO_MUX_I/NO_PAD_I not set correctly

If one PAD does not have mux or pad config register, we need
set the NO_MUX_I/NO_PAD_I to 0, the old value is not correct

Signed-off-by: Jason Liu <jason.hui@linaro.org>
CC: Stefano Babic <sbabic@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>

arch/arm/include/asm/arch-mx6/mx6x_pins.h

@@ -48,8 +48,8 @@
 #define PAD_CTL_SRE_FAST	(1 << 0)
 #define PAD_CTL_SRE_SLOW	(0 << 0)
 
-#define NO_MUX_I		0x3FF
-#define NO_PAD_I		0x7FF
+#define NO_MUX_I                0
+#define NO_PAD_I                0
 
 enum {
 	MX6Q_PAD_SD2_DAT1__USDHC2_DAT1		= IOMUX_PAD(0x0360, 0x004C, 0, 0x0000, 0, 0),