plat/marvell: comphy: Add support for SFI on Lane 4

Add static configuration for SFI+ 10Gbps interface on SERDES
Lane 4.
This is just a copy of Lane 2 static values, not optimized.
Board-to-board iperf test shows up to 6Gbps transfer speed.

Change-Id: I024d2ac132f7fa6c342a64367f3dca2123a27e97
Signed-off-by: Konstantin Porotchkin <kostap@marvell.com>
Reviewed-by: Igal Liberman <igall@marvell.com>

plat/marvell/a8k/a80x0/board/phy-porting-layer.h

@@ -27,7 +27,14 @@ static const struct xfi_params
 			  .g1_rx_selmupf = 0x2, .g1_rx_selmupi = 0x2,
 			  .valid = 0x1 }, /* Comphy2 */
 			{ 0 }, /* Comphy3 */
-			{ 0 }, /* Comphy4 */
+			{ .g1_ffe_res_sel = 0x3, .g1_ffe_cap_sel = 0xf,
+			  .align90 = 0x5f,
+			  .g1_dfe_res = 0x2, .g1_amp = 0x1c, .g1_emph = 0xe,
+			  .g1_emph_en = 0x1, .g1_tx_amp_adj = 0x1,
+			  .g1_tx_emph_en = 0x1, .g1_tx_emph = 0x0,
+			  .g1_rx_selmuff = 0x1, .g1_rx_selmufi = 0x0,
+			  .g1_rx_selmupf = 0x2, .g1_rx_selmupi = 0x2,
+			  .valid = 0x1 }, /* Comphy4 */
 			{ 0 }, /* Comphy5 */
 		},
 
@@ -44,7 +51,14 @@ static const struct xfi_params
 			  .g1_rx_selmupf = 0x2, .g1_rx_selmupi = 0x2,
 			  .valid = 0x1 }, /* Comphy2 */
 			{ 0 }, /* Comphy3 */
-			{ 0 }, /* Comphy4 */
+			{ .g1_ffe_res_sel = 0x3, .g1_ffe_cap_sel = 0xf,
+			  .align90 = 0x5f,
+			  .g1_dfe_res = 0x2, .g1_amp = 0x1c, .g1_emph = 0xe,
+			  .g1_emph_en = 0x1, .g1_tx_amp_adj = 0x1,
+			  .g1_tx_emph_en = 0x1, .g1_tx_emph = 0x0,
+			  .g1_rx_selmuff = 0x1, .g1_rx_selmufi = 0x0,
+			  .g1_rx_selmupf = 0x2, .g1_rx_selmupi = 0x2,
+			  .valid = 0x1 }, /* Comphy4 */
 			{ 0 }, /* Comphy5 */
 		},
 	},