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>
diff --git a/drivers/media/dvb/frontends/af9013.c b/drivers/media/dvb/frontends/af9013.c
index 0d2a0ad..21c1060 100644
--- a/drivers/media/dvb/frontends/af9013.c
+++ b/drivers/media/dvb/frontends/af9013.c
@@ -1490,7 +1490,7 @@
 		if (i == packets)  /* set size of the last packet */
 			len = remainder;
 
-		data = (fw->data + i * FW_PACKET_MAX_DATA);
+		data = (u8 *)(fw->data + i * FW_PACKET_MAX_DATA);
 		ret = af9013_write_ofsm_regs(state, addr, data, len);
 		addr += FW_PACKET_MAX_DATA;