Add the ability to enable CONFIG_OF on the MIPS architecture.
Signed-off-by: NDezhong Diao <dediao@cisco.com>
[grant.likely@secretlab.ca: cleared out obsolete hooks,
	removed ARCH_HAS_DEVTREE_MEM,
	remove __init tags from header file,
	removed debugfs support hunk]
[ddaney@linux-mips.org: backed out over aggressive trimming of hooks]
Acked-by: NRalf Baechle <ralf@linux-mips.org>
Tested-by: NDavid Daney <ddaney@caviumnetworks.com>
Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>