ARM: rmobile: Enable PHY framework on Gen3

Enable PHY framework on Gen3, this is required for USB EHCI PHY support.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

arch/arm/mach-rmobile/Kconfig

@@ -11,6 +11,7 @@ config RCAR_32
 config RCAR_GEN3
 	bool "Renesas ARM SoCs R-Car Gen3 (64bit)"
 	select ARM64
+	select PHY
 
 endchoice