arm64: defconfig: enable Rockchip Innosilicon hdmiphy

The rk3228 and rk3328 socs use an MMIO-connected hdmi-phy from Innosilicon.
So enable the necessary driver as module.

Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/configs/defconfig

@@ -635,6 +635,7 @@ CONFIG_PHY_QCOM_USB_HS=y
 CONFIG_PHY_RCAR_GEN3_USB2=y
 CONFIG_PHY_RCAR_GEN3_USB3=m
 CONFIG_PHY_ROCKCHIP_EMMC=y
+CONFIG_PHY_ROCKCHIP_INNO_HDMI=m
 CONFIG_PHY_ROCKCHIP_INNO_USB2=y
 CONFIG_PHY_ROCKCHIP_PCIE=m
 CONFIG_PHY_ROCKCHIP_TYPEC=y