sfc: Remove sub-minor component from driver version

This driver has diverged from the out-of-tree driver to which the version
number originally applied.  It should be identified primarily by kernel
version.
Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

drivers/net/sfc/net_driver.h

@@ -42,7 +42,7 @@
 #ifndef EFX_DRIVER_NAME
 #define EFX_DRIVER_NAME	"sfc"
 #endif
-#define EFX_DRIVER_VERSION	"2.2.0136"
+#define EFX_DRIVER_VERSION	"2.2"
 
 #ifdef EFX_ENABLE_DEBUG
 #define EFX_BUG_ON_PARANOID(x) BUG_ON(x)