x86, numaq_32: clean up, misc

Impact: cleanup

 - misc other cleanups that change the md5 signature
 - consolidate global variables
 - remove unnecessary __numaq_mps_oem_check() wrapper
 - make numaq_mps_oem_check static
 - update copyrights
 - misc other cleanups pointed out by checkpatch

Signed-off-by: Ingo Molnar <mingo@elte.hu>