media: i2c: ov9650: Fix an error message

'ret' is known to be 0 here and printing -ENODEV wouldn't be really
helpful. So remove it from the error message.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>