phy: marvell: allow to initialize up to 6 USB ports

New products can contain up to 6 usb ports, therefore allow to initialize
all relevant UTMI PHYs.

Change-Id: I28c36e59fa0e3e338bb3ee0cee2240b923f39785
Signed-off-by: NGrzegorz Jaszczyk <jaz@semihalf.com>
Reviewed-by: NKostya Porotchkin <Kostya.Porotchkin@cavium.com>

drivers/phy/marvell/comphy_core.h

@@ -18,7 +18,7 @@
 #endif
 
 #define MAX_LANE_OPTIONS			10
-#define MAX_UTMI_PHY_COUNT			3
+#define MAX_UTMI_PHY_COUNT			6
 
 struct comphy_mux_options {
 	u32 type;