PCI: qcom-ep: Modify 'global_irq' and 'perst_irq' IRQ device names

Currently, the IRQ device name for both of these IRQs doesn't have Qcom
specific prefix and PCIe domain number. This causes 2 issues:

1. Pollutes the global IRQ namespace since 'global' is a common name.
2. When more than one EP controller instance is present in the SoC, naming
conflict will occur.

Hence, add 'qcom_pcie_ep_' prefix and PCIe domain number suffix to the IRQ
names to uniquely identify the IRQs and also to fix the above mentioned
issues.

Link: https://lore.kernel.org/linux-pci/20240828-pci-qcom-hotplug-v4-6-263a385fbbcb@linaro.org


Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>