ARM: multi_v7_defconfig: Drop useless CONFIG_USB_RCAR_PHY=y

The Renesas R-Car (Gen1) USB PHY driver (which is being removed) does
not support DT, and is thus useless in a generic ARM multi-platform
kernel.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index 69a22fd..a3d65be 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -545,7 +545,6 @@
 CONFIG_USB_ISP1301=y
 CONFIG_USB_MSM_OTG=m
 CONFIG_USB_MXS_PHY=y
-CONFIG_USB_RCAR_PHY=m
 CONFIG_USB_GADGET=y
 CONFIG_USB_RENESAS_USBHS_UDC=m
 CONFIG_USB_ETH=m