sfc: Replace EFX_DRIVER_NAME with KBUILD_MODNAME

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h
index 0cca44b..9116dc9 100644
--- a/drivers/net/sfc/net_driver.h
+++ b/drivers/net/sfc/net_driver.h
@@ -39,9 +39,7 @@
  * Build definitions
  *
  **************************************************************************/
-#ifndef EFX_DRIVER_NAME
-#define EFX_DRIVER_NAME	"sfc"
-#endif
+
 #define EFX_DRIVER_VERSION	"3.0"
 
 #ifdef EFX_ENABLE_DEBUG