i2c: Fix platform driver hotplug/coldplug

Since 43cc71eed1, the platform
modalias is prefixed with "platform:". Add MODULE_ALIAS() to the
hotpluggable I2C platform drivers, to allow module auto loading.

[ db: add some more drivers ]

Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Jean Delvare <khali@linux-fr.org>

drivers/i2c/busses/i2c-bfin-twi.c

@@ -741,3 +741,4 @@ module_exit(i2c_bfin_twi_exit);
 MODULE_AUTHOR("Bryan Wu, Sonic Zhang");
 MODULE_DESCRIPTION("Blackfin BF5xx on-chip I2C TWI Contoller Driver");
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:i2c-bfin-twi");