ARM: multi_v7_defconfig: add Atmel ISI (Image Sensor Interface) driver

Add the Atmel Image Sensor Interface (ISI) VIDEO driver as a module.
Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>

arch/arm/configs/multi_v7_defconfig

@@ -517,6 +517,7 @@ CONFIG_V4L_PLATFORM_DRIVERS=y
 CONFIG_SOC_CAMERA=m
 CONFIG_SOC_CAMERA_PLATFORM=m
 CONFIG_VIDEO_RCAR_VIN=m
+CONFIG_VIDEO_ATMEL_ISI=m
 CONFIG_V4L_MEM2MEM_DRIVERS=y
 CONFIG_VIDEO_RENESAS_JPU=m
 CONFIG_VIDEO_RENESAS_VSP1=m