ARM: imx: enable flexcan on imx25, imx35, imx53, imx6q

Aas the flexcan driver has DT binding for some time now. This patch makes
the flexcan driver available in the can drivers menu if a SOC with flexcan
is enabled.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index eff4db5..c296851 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -52,6 +52,7 @@
 	select ARCH_MX25
 	select COMMON_CLK
 	select CPU_ARM926T
+	select HAVE_CAN_FLEXCAN if CAN
 	select ARCH_MXC_IOMUX_V3
 	select MXC_AVIC
 
@@ -79,6 +80,7 @@
 	select HAVE_EPIT
 	select MXC_AVIC
 	select SMP_ON_UP if SMP
+	select HAVE_CAN_FLEXCAN if CAN
 
 config SOC_IMX5
 	select CPU_V7
@@ -105,6 +107,7 @@
 	select SOC_IMX5
 	select ARCH_MX5
 	select ARCH_MX53
+	select HAVE_CAN_FLEXCAN if CAN
 
 if ARCH_IMX_V4_V5
 
@@ -826,6 +829,7 @@
 	select COMMON_CLK
 	select CPU_V7
 	select HAVE_ARM_SCU
+	select HAVE_CAN_FLEXCAN if CAN
 	select HAVE_IMX_GPC
 	select HAVE_IMX_MMDC
 	select HAVE_IMX_SRC