ARM: configs: at91: Enable Microchip's MIPI DSI Host Controller support

Enable the Microchip's DSI controller wrapper driver that uses
the Synopsys DesignWare MIPI DSI host controller bridge.

Signed-off-by: Manikandan Muralidharan <manikandan.m@microchip.com>
Acked-by: Hari Prasath Gujulan Elango <hari.prasathge@microchip.com>

Author: manikandan-m11

arch/arm/configs/at91_dt_defconfig

@@ -202,6 +202,7 @@ CONFIG_VIDEO_OV2640=m
 CONFIG_VIDEO_OV7740=m
 CONFIG_DRM=y
 CONFIG_DRM_ATMEL_HLCDC=y
+CONFIG_DRM_MICROCHIP_DW_MIPI_DSI=y
 CONFIG_DRM_PANEL_SIMPLE=y
 CONFIG_DRM_MICROCHIP_LVDS_SERIALIZER=y
 CONFIG_FB_ATMEL=y