[media] si2168: change firmware variable name and type
[media] si2168: change firmware variable name and type

Rename firmware variable from fw_file to fw_name and change its type
from u8 to const char as request_firmware() input defines.

Signed-off-by: Antti Palosaari <293134fe763ce2d9d8609280ea107c73cbd2eb86@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@osg.samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs