In tegra_pcie_ep_hard_irq(), APPL_INTR_STATUS_L0 is stored in val and again
APPL_INTR_STATUS_L1_0_0 is also stored in val. So when execution reaches
"if (val & APPL_INTR_STATUS_L0_PCI_CMD_EN_INT)", val is not correct.

Link: https://lore.kernel.org/r/20210623100525.19944-2-omp@nvidia.comSigned-off-by: NOm Prakash Singh <omp@nvidia.com>
Signed-off-by: NLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: NBjorn Helgaas <bhelgaas@google.com>
Acked-by: NVidya Sagar <vidyas@nvidia.com>