[media] em28xx-audio: simplify error handling
[media] em28xx-audio: simplify error handling

Cleanup the error handling code at em28xx-audio init.

Reviewed-by: Frank Schäfer <27eadf8cc37a0b12407025a9e98c8c3dd8200904@googlemail.com>
Tested-by: Antti Palosaari <293134fe763ce2d9d8609280ea107c73cbd2eb86@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <0cae1d1e981e84d16b82ca3d17be8a7f826608d3@samsung.com>

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