This fixes a typo in the low level platform code that puts to sleep and
wakes up the USB cell.  This fixes a problem when pmdisk is used on
those machines (pmdisk patch not merged yet, soon maybe...)

From: Guido Guenther <agx@sigxcpu.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>