Split this behavior out from PNOT() so the OS can update _PPC limit without re-reading C-state tables. Change-Id: I81b9111a4866f6b9916f74ac57a3caefaa77c565 Signed-off-by: Duncan Laurie <dlaurie@chromium.org> Reviewed-on: http://review.coreboot.org/1342 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>