tg3: Add support for 2 new selfboot formats

This patch adds new offsets to the bootcode version extraction code to
support NVRAM format versions 4 and 5.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 051b18a..f08e4b8 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -12753,6 +12753,12 @@
 	case TG3_EEPROM_SB_REVISION_3:
 		offset = TG3_EEPROM_SB_F1R3_EDH_OFF;
 		break;
+	case TG3_EEPROM_SB_REVISION_4:
+		offset = TG3_EEPROM_SB_F1R4_EDH_OFF;
+		break;
+	case TG3_EEPROM_SB_REVISION_5:
+		offset = TG3_EEPROM_SB_F1R5_EDH_OFF;
+		break;
 	default:
 		return;
 	}