powerpc/fsl_pci: Make fsl_add_bridge() static

Since commit 905e75c46dba ("powerpc/fsl-pci: Unify pci/pcie initialization code")
fsl_add_bridge() is not used anymore outside of fsl_pci.c

Make it static.

Signed-off-by: Christophe Leroy <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>
Link: https://msgid.link/2115e359[e-mail]

arch/powerpc/sysdev/fsl_pci.c

···
 	}
 }
 
-int fsl_add_bridge(struct platform_device *pdev, int is_primary)
+static int fsl_add_bridge(struct platform_device *pdev, int is_primary)
 {
 	int len;
 	struct pci_controller *hose;

arch/powerpc/sysdev/fsl_pci.h

···
 
 };
 
-extern int fsl_add_bridge(struct platform_device *pdev, int is_primary);
 extern void fsl_pcibios_fixup_bus(struct pci_bus *bus);
 extern void fsl_pcibios_fixup_phb(struct pci_controller *phb);
 extern int mpc83xx_add_bridge(struct device_node *dev);