imx: rename Kconfig symbol for "Eukrea CPUIMX27 module"

Not using MACH_CPUIMX27 makes machine_is_cpuimx27 always return 0
independent of building support for this machine.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <kernel@pengutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Jean Delvare <khali@linux-fr.org>
Cc: Eric Benard <eric@eukrea.com>
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index b96c6a3..a8bc337 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -55,7 +55,7 @@
 
 endchoice
 
-config MACH_EUKREA_CPUIMX27
+config MACH_CPUIMX27
 	bool "Eukrea CPUIMX27 module"
 	depends on MACH_MX27
 	help
@@ -64,14 +64,14 @@
 
 config MACH_EUKREA_CPUIMX27_USESDHC2
 	bool "CPUIMX27 integrates SDHC2 module"
-	depends on MACH_EUKREA_CPUIMX27
+	depends on MACH_CPUIMX27
 	help
 	  This adds support for the internal SDHC2 used on CPUIMX27 used
 	  for wifi or eMMC.
 
 choice
 	prompt "Baseboard"
-	depends on MACH_EUKREA_CPUIMX27
+	depends on MACH_CPUIMX27
 	default MACH_EUKREA_MBIMX27_BASEBOARD
 
 config MACH_EUKREA_MBIMX27_BASEBOARD