NET_SB1250_MAC: Rename to SB1250_MAC

 Rename NET_SB1250_MAC to SB1250_MAC to follow the convention.

Signed-off-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index 5361537..467532c 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -2123,7 +2123,7 @@
 	  
 	  If in doubt, say Y.
 
-config NET_SB1250_MAC
+config SB1250_MAC
 	tristate "SB1250 Gigabit Ethernet support"
 	depends on SIBYTE_SB1xxx_SOC
 	---help---