x86/amd: Add missing feature flag for fam15h models 10h-1fh processors

That is the last one missing for those CPUs.

Others were recently added with commits

 fb215366
 (KVM: expose latest Intel cpu new features (BMI1/BMI2/FMA/AVX2) to guest)

and

 commit 969df4b8
 (x86: Report cpb and eff_freq_ro flags correctly)

Signed-off-by: Andreas Herrmann <andreas.herrmann3@amd.com>
Link: http://lkml.kernel.org/r/20120120163823.GC24508@alberich.amd.com


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