PCI: imx6: Deassert apps_reset in imx_pcie_deassert_core_reset()

Since the apps_reset is asserted in imx_pcie_assert_core_reset(), it should
be deasserted in imx_pcie_deassert_core_reset().

Fixes: 9b3fe679 ("PCI: imx6: Add code to support i.MX7D")
Link: https://lore.kernel.org/r/20241126075702.4099164-6-hongxing.zhu@nxp.com


Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Reviewed-by: Frank Li <Frank.Li@nxp.com>