ARM: configs: at91: sama7: enable USB video camera

Enable the possibility of connecting an USB video camera and capture
video using media subsystem.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>

Author: ehristev

arch/arm/configs/sama7_defconfig

@@ -148,6 +148,8 @@ CONFIG_MEDIA_SUPPORT_FILTER=y
 # CONFIG_MEDIA_SUBDRV_AUTOSELECT is not set
 CONFIG_MEDIA_CAMERA_SUPPORT=y
 CONFIG_MEDIA_PLATFORM_SUPPORT=y
+CONFIG_MEDIA_USB_SUPPORT=y
+CONFIG_USB_VIDEO_CLASS=m
 CONFIG_V4L_PLATFORM_DRIVERS=y
 CONFIG_VIDEO_ATMEL_XISC=y
 CONFIG_VIDEO_MICROCHIP_CSI2DC=y