sky2: GMAC pause frame

This reverts earlier change that attempted to fix flow control.
Device needs to discard pause frames, otherwise it hangs after a while.
Signed-off-by: NStephen Hemminger <shemminger@osdl.org>

drivers/net/sky2.h

@@ -1576,7 +1576,7 @@ enum {
 
 	GMR_FS_ANY_ERR	= GMR_FS_RX_FF_OV | GMR_FS_CRC_ERR |
 			  GMR_FS_FRAGMENT | GMR_FS_LONG_ERR |
-		  	  GMR_FS_MII_ERR | GMR_FS_BAD_FC |
+		  	  GMR_FS_MII_ERR | GMR_FS_GOOD_FC | GMR_FS_BAD_FC |
 			  GMR_FS_UN_SIZE | GMR_FS_JABBER,
 };