imx: rename Kconfig symbol for "LogicPD MX27 LITEKIT platform"

Not using MACH_IMX27LITE makes machine_is_imx27lite 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: Daniel Schaeffer <daniel.schaeffer@timesys.com>
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig
index a8bc337..7bc797c 100644
--- a/arch/arm/mach-mx2/Kconfig
+++ b/arch/arm/mach-mx2/Kconfig
@@ -90,7 +90,7 @@
 	  Include support for MX27PDK platform. This includes specific
 	  configurations for the board and its peripherals.
 
-config MACH_MX27LITE
+config MACH_IMX27LITE
 	bool "LogicPD MX27 LITEKIT platform"
 	depends on MACH_MX27
 	help