Convert CONFIG_IOMUX_SHARE_CONF_REG et al to Kconfig

This converts the following to Kconfig:
   CONFIG_IOMUX_LPSR
   CONFIG_IOMUX_SHARE_CONF_REG

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3f68d09..eb5e3b6 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1245,6 +1245,7 @@
 	bool "Freescale Vybrid"
 	select CPU_V7A
 	select GPIO_EXTRA_HEADER
+	select IOMUX_SHARE_CONF_REG
 	select MACH_IMX
 	select SYS_FSL_ERRATUM_ESDHC111
 	imply CMD_MTDPARTS
diff --git a/arch/arm/include/asm/arch-vf610/imx-regs.h b/arch/arm/include/asm/arch-vf610/imx-regs.h
index 97211f4..fa3a978 100644
--- a/arch/arm/include/asm/arch-vf610/imx-regs.h
+++ b/arch/arm/include/asm/arch-vf610/imx-regs.h
@@ -103,9 +103,6 @@
 
 #define QSPI0_AMBA_BASE		0x20000000
 
-/* MUX mode and PAD ctrl are in one register */
-#define CONFIG_IOMUX_SHARE_CONF_REG
-
 #define FEC_QUIRK_ENET_MAC
 #define I2C_QUIRK_REG
 
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index b72b6af..ee5f199 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -195,3 +195,9 @@
 	help
 	  This is to specific the cfg file for generating container
 	  image which will be loaded by SPL.
+
+config IOMUX_LPSR
+	bool
+
+config IOMUX_SHARE_CONF_REG
+	bool
diff --git a/arch/arm/mach-imx/mx6/Kconfig b/arch/arm/mach-imx/mx6/Kconfig
index 752c57f..e6b0ee7 100644
--- a/arch/arm/mach-imx/mx6/Kconfig
+++ b/arch/arm/mach-imx/mx6/Kconfig
@@ -168,6 +168,7 @@
 	select BOARD_LATE_INIT
 	select DM
 	select DM_THERMAL
+	select IOMUX_LPSR
 
 config TARGET_DART_6UL
 	bool "Variscite imx6ULL dart(DART-SOM-6ULL)"
@@ -396,6 +397,7 @@
 	select BOARD_LATE_INIT
 	select DM
 	select DM_THERMAL
+	select IOMUX_LPSR
 	imply CMD_DM
 
 config TARGET_MX6SXSABRESD
@@ -464,6 +466,7 @@
 	select BOARD_LATE_INIT
 	select DM
 	select DM_THERMAL
+	select IOMUX_LPSR
 	imply CMD_DM
 
 config TARGET_MX6ULZ_SMM_M2
diff --git a/arch/arm/mach-imx/mx7/Kconfig b/arch/arm/mach-imx/mx7/Kconfig
index 3c38818..0bb18f6 100644
--- a/arch/arm/mach-imx/mx7/Kconfig
+++ b/arch/arm/mach-imx/mx7/Kconfig
@@ -6,6 +6,7 @@
 	select ARCH_SUPPORT_PSCI
 	select CPU_V7_HAS_NONSEC
 	select CPU_V7_HAS_VIRT
+	select IOMUX_LPSR
 	select ROM_UNIFIED_SECTIONS
 	select SYSCOUNTER_TIMER
 	imply CMD_FUSE