PCI: keystone: Make ks_dw_pcie_msi_domain_ops static
PCI: keystone: Make ks_dw_pcie_msi_domain_ops static

Make ks_dw_pcie_msi_domain_ops static because it is used only in this file.

Signed-off-by: Jingoo Han <fc379137a64feb86ce38ec5811a14280acc1ccfc@samsung.com>
Signed-off-by: Bjorn Helgaas <f10ec01be0c6b54271af5c550cd257810bdf3268@google.com>
Acked-by: Murali Karicheri <a2c63438f6716dbcdea754ffda544d5f766e6579@ti.com>
Acked-by: Santosh Shilimkar<66e607276a8849b0959ff0d01d8643f5da668152@kernel.org>
KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs