imx: imx6ull: fix pinmux input_val for uart5 rx pin

just try to bring up an imx6ull board with console
on uart5 and found, that input_val for pin
MX6UL_PAD_UART5_RX_DATA__UART5_DCE_RX is 7 and
not 5 on imx6ull.

With this patch rx works now.

Signed-off-by: Heiko Schocher <hs@denx.de>

arch/arm/include/asm/arch-mx6/mx6ull_pins.h

@@ -332,7 +332,7 @@ enum {
 	MX6_PAD_UART5_TX_DATA__CSI_DATA14                     = IOMUX_PAD(0x0348, 0x00BC, 3, 0x04FC, 0, 0),
 	MX6_PAD_UART5_TX_DATA__CSU_CSU_ALARM_AUT00            = IOMUX_PAD(0x0348, 0x00BC, 4, 0x0000, 0, 0),
 
-	MX6_PAD_UART5_RX_DATA__UART5_DCE_RX                   = IOMUX_PAD(0x034C, 0x00C0, 0, 0x0644, 5, 0),
+	MX6_PAD_UART5_RX_DATA__UART5_DCE_RX                   = IOMUX_PAD(0x034C, 0x00C0, 0, 0x0644, 7, 0),
 
 	MX6_PAD_UART5_RX_DATA__UART5_DTE_TX                   = IOMUX_PAD(0x034C, 0x00C0, 0, 0x0000, 0, 0),
 	MX6_PAD_UART5_RX_DATA__ENET2_COL                      = IOMUX_PAD(0x034C, 0x00C0, 1, 0x0000, 0, 0),