[media] coda: fix the error path in coda_probe()

In the case of coda_firmware_request() failure, we should release the
prevously acquired resources.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>