atl1: remove unnecessary crc inversion

The original vendor driver contained a private ether_crc_le() function
that produced an inverted crc.  When we changed to the kernel version of
ether_crc_le(), we neglected to undo the inversion.  Let's do it now.
Discovered by and patch proffered by Jose Alberto Reguero.
Signed-off-by: NJose Alberto Reguero <jareguero@telefonica.net>
Signed-off-by: NJay Cliburn <jacliburn@bellsouth.net>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/atl1/atl1_hw.c

@@ -334,7 +334,6 @@ u32 atl1_hash_mc_addr(struct atl1_hw *hw, u8 *mc_addr)
 	int i;
 
 	crc32 = ether_crc_le(6, mc_addr);
-	crc32 = ~crc32;
 	for (i = 0; i < 32; i++)
 		value |= (((crc32 >> i) & 1) << (31 - i));