Intel Atom cpu support to msrtool

Added support for Intel Atom cpu to msrtool
Fixed a cut&paste error in nehalem msr bits definition

It has been tested with a N455 cpu and msrtool output can be review at:
http://www.trillion01.com/coreboot/msrtool_atom.txt

Change-Id: I0ecf455b559185e2d16fa1a655bf021efc2ef537
Signed-off-by: Olivier Langlois <olivier@olivierlanglois.net>
Reviewed-on: http://review.coreboot.org/3351
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
5 files changed