MAINTAINERS: phy: add entry for Armada 3700 COMPHY driver

Add myself as Armada 3700 COMPHY driver/bindings maintainer.

Signed-off-by: Miquel Raynal <[e-mail]>
Signed-off-by: Kishon Vijay Abraham I <[e-mail]>

MAINTAINERS

···
 F:	include/uapi/drm/armada_drm.h
 F:	Documentation/devicetree/bindings/display/armada/
 
+MARVELL ARMADA 3700 COMPHY DRIVER
+M:	Miquel Raynal <[e-mail]>
+S:	Maintained
+F:	drivers/phy/marvell/phy-mvebu-a3700-comphy.c
+F:	Documentation/devicetree/bindings/phy/phy-mvebu-comphy.txt
+
 MARVELL CRYPTO DRIVER
 M:	Boris Brezillon <[e-mail]>
 M:	Arnaud Ebalard <[e-mail]>