[PATCH AUTOSEL 4.19 104/146] PCI: cadence: Use AXI region 0 to signal interrupts from EP

From: Alan Douglas [ Upstream commit 0652d4b6b56f73c81abbdbc7e26f772cb2dfe370 ] The IRQ physical address is allocated from region 0, rather than the highest region. Update the driver to reserve this region in the bitmap and to use region 0 for all types of interrupt. This corrects a problem

[PATCH AUTOSEL 4.19 104/146] PCI: cadence: Use AXI region 0 to signal interrupts from EP

From: Alan Douglas [ Upstream commit 0652d4b6b56f73c81abbdbc7e26f772cb2dfe370 ] The IRQ physical address is allocated from region 0, rather than the highest region. Update the driver to reserve this region in the bitmap and to use region 0 for all types of interrupt. This corrects a problem