imx: iomux-v3: add imx7d support for iomuxc

* Add imx7d support for iomux controller
* imx7d has two iomux controllers iomuxc (0x3033000) and iomuxc-lpsr
  (0x302C0000) each conroller provides control and mux mode pad
  registers but shares iomuxc input select register with iomuxc-lpsr
  IOMUX_CONFIG_LPSR flag is used to properly set daisy chain settings
  for iomuxc-lpsr pads.
* Since mx7d introduces LPSR IOMUX pins, add new base to IOMUX v3
  driver for these LPSR pins.

Signed-off-by: Adrian Alonso <aalonso@freescale.com>
Signed-off-by: Fugang Duan <B38611@freescale.com>
Signed-off-by: Ye.Li <B37916@freescale.com>
diff --git a/arch/arm/include/asm/arch-mx7/mx7-pins.h b/arch/arm/include/asm/arch-mx7/mx7-pins.h
new file mode 100644
index 0000000..164c2be
--- /dev/null
+++ b/arch/arm/include/asm/arch-mx7/mx7-pins.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __ASM_ARCH_MX7_PINS_H__
+#define __ASM_ARCH_MX7_PINS_H__
+
+#include <asm/imx-common/iomux-v3.h>
+
+#if defined(CONFIG_MX7D)
+#include "mx7d_pins.h"
+#elif defined(CONFIG_MX7S)
+#include "mx7s_pins.h"
+#else
+#error "Please select cpu"
+#endif	/* CONFIG_MX7D */
+
+#endif	/*__ASM_ARCH_MX7_PINS_H__ */