media: v4l2: cci: print leading 0 on error

media: v4l2: cci: print leading 0 on error

[ Upstream commit 58ab1f9e140006e9e5686640f1773260038fe889 ]

In some error cases leading '0' for register address
were missing.

Fixes: 613cbb91e9ce ("media: Add MIPI CCI register access helper functions")
Signed-off-by: Julien Massot <julien.massot@collabora.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>