ARM: multi_v7_defconfig: Replace USB_RCAR_GEN2_PHY by PHY_RCAR_GEN2

The legacy-only USB_RCAR_GEN2_PHY driver was replaced by the DT-only
PHY_RCAR_GEN2 driver.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/configs/multi_v7_defconfig

@@ -454,7 +454,6 @@ CONFIG_USB_GPIO_VBUS=y
 CONFIG_USB_ISP1301=y
 CONFIG_USB_MXS_PHY=y
 CONFIG_USB_RCAR_PHY=m
-CONFIG_USB_RCAR_GEN2_PHY=m
 CONFIG_USB_GADGET=y
 CONFIG_USB_RENESAS_USBHS_UDC=m
 CONFIG_MMC=y
@@ -569,6 +568,7 @@ CONFIG_OMAP_USB2=y
 CONFIG_TI_PIPE3=y
 CONFIG_PHY_MIPHY28LP=y
 CONFIG_PHY_MIPHY365X=y
+CONFIG_PHY_RCAR_GEN2=m
 CONFIG_PHY_STIH41X_USB=y
 CONFIG_PHY_STIH407_USB=y
 CONFIG_PHY_SUN4I_USB=y