efikamx: add spi nor support

On efikamx, uboot is stored on a nor spi flash. Add support for it

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 0345abe..1360204 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -83,6 +83,7 @@
 	bool "Support MX51 Genesi Efika MX nettop"
 	select IMX_HAVE_PLATFORM_ESDHC
 	select IMX_HAVE_PLATFORM_IMX_UART
+	select IMX_HAVE_PLATFORM_SPI_IMX
 	help
 	  Include support for Genesi Efika MX nettop. This includes specific
 	  configurations for the board and its peripherals.