Revision 1008

Switch all SPARC32 devices over from the private map_io() function over to OFMEM's ofmem_map_io() function.

The old map_io() function can now be removed. Also fill in ofmem_arch_early_map_pages() on SPARC32 which is
required for ofmem_map_io() to work correctly.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@siriusit.co.uk>
Tested-by: Blue Swirl <blauwirbel@gmail.com>
Reviewed-by: Blue Swirl <blauwirbel@gmail.com>