ARM: multi_v7_defconfig: Enable the Rockchip USB 2.0 phy

Most Rockchip SoCs have a DesignWare HS OTG USB 2.0 controller, enable
the driver for the Rockchip USB 2.0 PHY to make that functional.

Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 4ad3c00..a0e8c51 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -669,6 +669,7 @@
 CONFIG_PWM_STI=m
 CONFIG_OMAP_USB2=y
 CONFIG_TI_PIPE3=y
+CONFIG_PHY_ROCKCHIP_USB=m
 CONFIG_PHY_QCOM_APQ8064_SATA=m
 CONFIG_PHY_MIPHY28LP=y
 CONFIG_PHY_MIPHY365X=y