[POWERPC] Create common fsl pci/e files based on 86xx platforms

Move
arch/powerpc/platforms/86xx/pci.c -> arch/powerpc/sysdev/fsl_pci.c
arch/powerpc/sysdev/fsl_pcie.h -> arch/powerpc/sysdev/fsl_pci.h
as the base to unify 83xx/85xx/86xx pci and pcie.

Add CONFIG_FSL_PCI to build fsl_pci.c for Freescale pci and pcie option.
The code still works for 86xx platforms.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 853c282..3ff90f0 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -425,6 +425,10 @@
 config FSL_SOC
 	bool
 
+config FSL_PCI
+ 	bool
+	select PPC_INDIRECT_PCI
+
 # Yes MCA RS/6000s exist but Linux-PPC does not currently support any
 config MCA
 	bool