ARM: multi_v7_defconfig: Enable Rockchip displayport phy

The displayport phy controls the output of the Analogix displayport
controller on Rockchip SoCs and is therefore one component to enable
veyron devices to use their internal display.
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Olof Johansson <olof@lixom.net>

arch/arm/configs/multi_v7_defconfig

@@ -792,6 +792,7 @@ CONFIG_OMAP_USB2=y
 CONFIG_TI_PIPE3=y
 CONFIG_PHY_BERLIN_USB=y
 CONFIG_PHY_BERLIN_SATA=y
+CONFIG_PHY_ROCKCHIP_DP=m
 CONFIG_PHY_ROCKCHIP_USB=m
 CONFIG_PHY_QCOM_APQ8064_SATA=m
 CONFIG_PHY_MIPHY28LP=y