[ARM] 2984/1: Replace map_desc.physical with map_desc.pfn: IXP2000

Patch from Deepak Saxena

IXP2000 map_desc.pfn conversion

Signed-off-by: Deepak Saxena <dsaxena@plexity.net>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
3 files changed