Introduce EFIKA_COMMON

The Genesi EFIKA MX and EFIKA Smartbook are sharing a lot of things
so it makes sense to create a common file for both devices and a specific
file for each. No functionnal change except dropping uart 1 & 2.

Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index 10b6008..aa20a38 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -113,12 +113,16 @@
 
 endchoice
 
-config MACH_MX51_EFIKAMX
-	bool "Support MX51 Genesi Efika MX nettop"
+config MX51_EFIKA_COMMON
+	bool
 	select SOC_IMX51
 	select IMX_HAVE_PLATFORM_IMX_UART
 	select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 	select IMX_HAVE_PLATFORM_SPI_IMX
+
+config MACH_MX51_EFIKAMX
+	bool "Support MX51 Genesi Efika MX nettop"
+	select MX51_EFIKA_COMMON
 	help
 	  Include support for Genesi Efika MX nettop. This includes specific
 	  configurations for the board and its peripherals.