pci: Kconfig: add MSM PCIe controller support

	  If unsure, say N.

config PCI_MSM

	bool "MSM PCIe Controller driver"

	depends on ARCH_QCOM && PCI

	select PCI_DOMAINS

	select PCI_DOMAINS_GENERIC

	select PCI_MSI

	help

	  Enables the PCIe functionality by configuring PCIe core on

	  MSM chipset and by enabling the ARM PCI framework extension.

	  The PCIe core is essential for communication between the host

	  and an endpoint.

	  If unsure, say N.

config PCI_LABEL

	def_bool y if (DMI || ACPI)

	select NLS