mtd: rawnand: denali: Fix missing pci_release_regions in probe and remove

The pci_release_regions was miss at error case, just add it.

Signed-off-by: Chen Ridong <chenridong@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20240826024339.476921-1-chenridong@huawei.com