V4L/DVB (9146): af901x: fix some compiler errors and warnings

- cast firmware data to u8
- remove cpu_to_le16 from switch-case label

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2 files changed