brcm63xx: fix ephy reset gpio lookup

The lookup needs to be called just "reset" for the common code.

Fixes: 054c0d4e31 ("brcm63xx: backport mdio-bus reset gpio support")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

target/linux/brcm63xx/patches-4.4/377-MIPS-BCM63XX-register-lookup-for-ephy-reset-gpio.patch

@@ -87,7 +87,7 @@ Signed-off-by: Jonas Gorski <jogo@openwrt.org>
 +
 +	ephy_reset.table[0].chip_label = gpio_chip_labels[hw_gpio / 32];
 +	ephy_reset.table[0].chip_hwnum = hw_gpio % 32;
-+	ephy_reset.table[0].con_id = "ephy-reset";
++	ephy_reset.table[0].con_id = "reset";
 +	ephy_reset.table[0].flags = flags;
 +
 +	gpiod_add_lookup_table(&ephy_reset);