powerpc/powernv: Make PCI non-optional
Bare metal systems without PCI don't exist, so there's no real point in making PCI optional, it just breaks the build from time to time. In fact the build is broken now if you turn off PCI_MSI but enable KVM. Using select for PCI is OK because we (powerpc) define config PCI, and it has no dependencies. Selecting PCI_MSI is slightly fishy, because it's in drivers/pci and it is user-visible, but its only dependency is PCI, so selecting it can't actually lead to breakage. Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au> Acked-by: NGavin Shan <gwshan@linux.vnet.ibm.com> Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
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