PCI/MSI: Enable PCI_MSI_IRQ_DOMAIN support for ARC
Joao Pinto authored

Add ARC as an arch that supports PCI_MSI_IRQ_DOMAIN and add generation of
msi.h in the ARC arch.
Signed-off-by: default avatarJoao Pinto <jpinto@synopsys.com>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
Acked-by: default avatarVineet Gupta <vgupta@synopsys.com>
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