The 8241/8245 have an erratum where PCI reads from local memory may return
stale data.  One of the two workarounds is to set PICR2[0].  This patch
does that.
Signed-off-by: Mark A. Greer <mgreer@mvista.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>