phy: marvell: a3700: Fix compatible string for ehci

The DTS file for armada-37xx uses the string "marvell,armada3700-ehci",
but the code searched for "marvell,armada-3700-ehci".

Signed-off-by: Marek Behun <marek.behun@nic.cz>
Signed-off-by: Stefan Roese <sr@denx.de>

drivers/phy/marvell/comphy_a3700.c

@@ -900,7 +900,7 @@ void comphy_dedicated_phys_init(void)
 		 */
 		if (usb32 == 0) {
 			node = fdt_node_offset_by_compatible(
-				blob, -1, "marvell,armada-3700-ehci");
+				blob, -1, "marvell,armada3700-ehci");
 		} else {
 			node = fdt_node_offset_by_compatible(
 				blob, -1, "marvell,armada3700-xhci");