[media] media: dvb-frontends: remove duplicate checks for EPERM in dbg_g/s_register

This patch removes check for EPERM in dbg_g/s_register
as this check is already performed by core.

Signed-off-by: Lad, Prabhakar <prabhakar.csengg@gmail.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb-frontends/au8522_decoder.c

@@ -529,8 +529,6 @@ static int au8522_g_register(struct v4l2_subdev *sd,
 
 	if (!v4l2_chip_match_i2c_client(client, &reg->match))
 		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	reg->val = au8522_readreg(state, reg->reg & 0xffff);
 	return 0;
 }
@@ -543,8 +541,6 @@ static int au8522_s_register(struct v4l2_subdev *sd,
 
 	if (!v4l2_chip_match_i2c_client(client, &reg->match))
 		return -EINVAL;
-	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM;
 	au8522_writereg(state, reg->reg, reg->val & 0xff);
 	return 0;
 }