media: atomisp: pci: fix error return code in atomisp_pci_probe()

If init_atomisp_wdts() fails, atomisp_pci_probe() need return
error code.

Link: https://lore.kernel.org/linux-media/20210617072329.1233662-1-yangyingliang@huawei.com


Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>