staging: bcm2835-camera: fix module autoloading

In order to make the module bcm2835-camera load automatically, we need to
add a module alias.

Fixes: 4bebb031 ("staging/bcm2835-camera: Set ourselves up as a platform driver.")
Signed-off-by: NStefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: NNicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c

@@ -47,6 +47,7 @@ MODULE_DESCRIPTION("Broadcom 2835 MMAL video capture");
 MODULE_AUTHOR("Vincent Sanders");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(BM2835_MMAL_VERSION);
+MODULE_ALIAS("platform:bcm2835-camera");
 
 int bcm2835_v4l2_debug;
 module_param_named(debug, bcm2835_v4l2_debug, int, 0644);