arm: imx: mx5: Make videoskip available on MX5

The board_video_skip() implementation in imx-common/video.c works
on i.MX5x as well, so loosen the SoC filter in Makefile to make it
available.
Signed-off-by: NMarek Vasut <marex@denx.de>
Cc: Stefano Babic <sbabic@denx.de>

arch/arm/mach-imx/Makefile

@@ -31,10 +31,12 @@ obj-y 	+= cpu.o
 obj-$(CONFIG_SYS_I2C_MXC) += i2c-mxv7.o
 obj-$(CONFIG_ENV_IS_IN_MMC) += mmc_env.o
 endif
+ifeq ($(SOC),$(filter $(SOC),mx5 mx6 mx7))
+obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
+endif
 ifeq ($(SOC),$(filter $(SOC),mx6 mx7))
 obj-y 	+= cache.o init.o
 obj-$(CONFIG_FEC_MXC) += mac.o
-obj-$(CONFIG_IMX_VIDEO_SKIP) += video.o
 obj-$(CONFIG_IMX_RDC) += rdc-sema.o
 ifneq ($(CONFIG_SPL_BUILD),y)
 obj-$(CONFIG_IMX_BOOTAUX) += imx_bootaux.o