MIPS: Malta: Move platform-specific PCI code to arch/mips/pci.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --cc arch/mips/mti-malta/Makefile
Simple merge

diff --cc arch/mips/pci/Makefile
Simple merge

diff --cc arch/mips/pci/pci-malta.c
Simple merge