b43: support new TX header, noticed to be used by 598.314+ fw

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index cc3dd80..aac88322 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -2514,7 +2514,9 @@
 	}
 	dev->fw.rev = fwrev;
 	dev->fw.patch = fwpatch;
-	if (dev->fw.rev >= 410)
+	if (dev->fw.rev >= 598)
+		dev->fw.hdr_format = B43_FW_HDR_598;
+	else if (dev->fw.rev >= 410)
 		dev->fw.hdr_format = B43_FW_HDR_410;
 	else
 		dev->fw.hdr_format = B43_FW_HDR_351;