ARM: mvebu: clearfog: add Clearfog Base serdes configuration

Clearfog Base carrier uses serdes lane #5 as USB host. Use EEPROM stored
device identification to configure the serdes accordingly when
available.

Reviewed-by: Stefan Roese <sr@denx.de>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
diff --git a/board/solidrun/clearfog/clearfog.c b/board/solidrun/clearfog/clearfog.c
index 3bc9ce0..e268ef5 100644
--- a/board/solidrun/clearfog/clearfog.c
+++ b/board/solidrun/clearfog/clearfog.c
@@ -61,6 +61,12 @@
 		board_serdes_map[0].serdes_mode = PEX_ROOT_COMPLEX_X1;
 	}
 
+	if (sr_product_is(&cf_tlv_data, "Clearfog Base")) {
+		board_serdes_map[4].serdes_type = USB3_HOST0;
+		board_serdes_map[4].serdes_speed = SERDES_SPEED_5_GBPS;
+		board_serdes_map[4].serdes_mode = SERDES_DEFAULT_MODE;
+	}
+
 	*serdes_map_array = board_serdes_map;
 	*count = ARRAY_SIZE(board_serdes_map);
 	return 0;