media: sunxi: Fix some error handling path of sun6i_mipi_csi2_probe()

Release some resources in the error handling path of the probe and of
sun6i_mipi_csi2_resources_setup(), as already done in the remove
function.

Fixes: af54b4f4

 ("media: sunxi: Add support for the A31 MIPI CSI-2 controller")
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Acked-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>