powerpc/powernv: Make pnv_pci_sriov_enable() and friends static

The kernel test robot noticed these are non-static which causes Clang to
print some warnings. These are called via ppc_md function pointers so
there's no need for them to be non-static.

Reported-by: kernel test robot <[e-mail]>
Signed-off-by: Oliver O'Halloran <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

arch/powerpc/platforms/powernv/pci-ioda.c

···
 	}
 }
 
-void pnv_pci_sriov_disable(struct pci_dev *pdev)
+static void pnv_pci_sriov_disable(struct pci_dev *pdev)
 {
 	struct pci_bus        *bus;
 	struct pci_controller *hose;
···
 	}
 }
 
-int pnv_pci_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
+static int pnv_pci_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
 {
 	struct pci_bus        *bus;
 	struct pci_controller *hose;
···
 	return ret;
 }
 
-int pnv_pcibios_sriov_disable(struct pci_dev *pdev)
+static int pnv_pcibios_sriov_disable(struct pci_dev *pdev)
 {
 	pnv_pci_sriov_disable(pdev);
 
···
 	return 0;
 }
 
-int pnv_pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
+static int pnv_pcibios_sriov_enable(struct pci_dev *pdev, u16 num_vfs)
 {
 	/* Allocate PCI data */
 	add_sriov_vf_pdns(pdev);