cxgb4: use the correct max size for firmware flash

The wrong max fw size was being used and causing false "too big" errors running ethtool -f.

---

 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

index 9d0a8cd..9aaf41c 100644
@@ -689,7 +689,7 @@ enum {
 	SF_RD_ID        = 0x9f,       /* read ID */
 	SF_ERASE_SECTOR = 0xd8,       /* erase sector */
 
-	FW_MAX_SIZE = 4 * 512 * 1024,
+	FW_MAX_SIZE = 16 * SF_SEC_SIZE,
 };
 
 /**

From: Steve Wise <[email protected]>
Date: Tue, 15 Apr 2014 13:50:48 -0500

This doesn't apply to the current net tree, please respin.