boards: amlogic: remove ethernet gpio reset code from boards

The reset is already handled by the designware driver using
information from device tree.

Signed-off-by: Beniamino Galvani <b.galvani@gmail.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>

board/amlogic/nanopi-k2/nanopi-k2.c

@@ -30,12 +30,6 @@ int misc_init_r(void)
 
 	meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
 
-	/* Reset PHY on GPIOZ_14 */
-	clrbits_le32(GX_GPIO_EN(3), BIT(14));
-	clrbits_le32(GX_GPIO_OUT(3), BIT(14));
-	mdelay(10);
-	setbits_le32(GX_GPIO_OUT(3), BIT(14));
-
 	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
 		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
 					  mac_addr, EFUSE_MAC_SIZE);

board/amlogic/odroid-c2/odroid-c2.c

@@ -30,12 +30,6 @@ int misc_init_r(void)
 
 	meson_gx_eth_init(PHY_INTERFACE_MODE_RGMII, 0);
 
-	/* Reset PHY on GPIOZ_14 */
-	clrbits_le32(GX_GPIO_EN(3), BIT(14));
-	clrbits_le32(GX_GPIO_OUT(3), BIT(14));
-	mdelay(10);
-	setbits_le32(GX_GPIO_OUT(3), BIT(14));
-
 	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
 		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
 					  mac_addr, EFUSE_MAC_SIZE);