ARM: imx: Kconfig: use an if block instead of a depend for many symbols

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>

arch/arm/mach-imx/Kconfig

@@ -37,25 +37,32 @@ config MACH_MX27
 
 endchoice
 
-comment "MX2 platforms:"
+endif
+
+if MACH_MX21
+
+comment "MX21 platforms:"
 
 config MACH_MX21ADS
 	bool "MX21ADS platform"
-	depends on MACH_MX21
 	help
 	  Include support for MX21ADS platform. This includes specific
 	  configurations for the board and its peripherals.
 
+endif
+
+if MACH_MX27
+
+comment "MX27 platforms:"
+
 config MACH_MX27ADS
 	bool "MX27ADS platform"
-	depends on MACH_MX27
 	help
 	  Include support for MX27ADS platform. This includes specific
 	  configurations for the board and its peripherals.
 
 config MACH_PCM038
 	bool "Phytec phyCORE-i.MX27 CPU module (pcm038)"
-	depends on MACH_MX27
 	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for phyCORE-i.MX27 (aka pcm038) platform. This
@@ -77,7 +84,6 @@ endchoice
 
 config MACH_CPUIMX27
 	bool "Eukrea CPUIMX27 module"
-	depends on MACH_MX27
 	help
 	  Include support for Eukrea CPUIMX27 platform. This includes
 	  specific configurations for the module and its peripherals.
@@ -105,21 +111,18 @@ endchoice
 
 config MACH_MX27_3DS
 	bool "MX27PDK platform"
-	depends on MACH_MX27
 	help
 	  Include support for MX27PDK platform. This includes specific
 	  configurations for the board and its peripherals.
 
 config MACH_IMX27LITE
 	bool "LogicPD MX27 LITEKIT platform"
-	depends on MACH_MX27
 	help
 	  Include support for MX27 LITEKIT platform. This includes specific
 	  configurations for the board and its peripherals.
 
 config MACH_PCA100
 	bool "Phytec phyCARD-s (pca100)"
-	depends on MACH_MX27
 	select MXC_ULPI if USB_ULPI
 	help
 	  Include support for phyCARD-s (aka pca100) platform. This
@@ -127,7 +130,6 @@ config MACH_PCA100
 
 config MACH_MXT_TD60
 	bool "Maxtrack i-MXT TD60"
-	depends on MACH_MX27
 	help
 	  Include support for i-MXT (aka td60) platform. This
 	  includes specific configurations for the module and its peripherals.