i2c: add a module alias to the sh-mobile driver

This patch enables I2C driver autoloading on sh-mobile systems.
Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de>
Reviewed-by: NSimon Horman <horms@verge.net.au>
Cc: Magnus Damm <damm@opensource.se>
Signed-off-by: NPaul Mundt <lethal@linux-sh.org>

drivers/i2c/busses/i2c-sh_mobile.c

@@ -729,3 +729,4 @@ module_exit(sh_mobile_i2c_adap_exit);
 MODULE_DESCRIPTION("SuperH Mobile I2C Bus Controller driver");
 MODULE_AUTHOR("Magnus Damm");
 MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:i2c-sh_mobile");