media: staging: rkisp1: cap: fix runtime PM imbalance on error

pm_runtime_get_sync will increment pm usage counter even it
failed. Forgetting to pm_runtime_put_noidle will result in
reference imbalance in rkisp1_vb2_start_streaming, so we
should fix it.

Fixes: 56e3b29f ("media: staging: rkisp1: add streaming paths")
Signed-off-by: Zhang Qilong <zhangqilong3@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>