MAINTAINERS: add PHY-related files to Amlogic SoC file list

Add PHY-related files to the Amlogic SoC file list.

Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/38f87b22-d9a8-b8d8-ba7b-a2c2d7311b04@gmail.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

Author: hkallweit

MAINTAINERS

@@ -1915,10 +1915,12 @@ L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 L:	linux-amlogic@lists.infradead.org
 S:	Maintained
 W:	http://linux-meson.com/
+F:	Documentation/devicetree/bindings/phy/amlogic*
 F:	arch/arm/boot/dts/meson*
 F:	arch/arm/mach-meson/
 F:	arch/arm64/boot/dts/amlogic/
 F:	drivers/mmc/host/meson*
+F:	drivers/phy/amlogic/
 F:	drivers/pinctrl/meson/
 F:	drivers/rtc/rtc-meson*
 F:	drivers/soc/amlogic/