Diverge libpfm on AT next from AT 12.0
Diverge libpfm on AT next from AT 12.0

AT 12.0 will distribute libpfm 4.10.1, while AT next will keep being
updated from master.

Signed-off-by: Tulio Magno Quites Machado Filho <0e1b3d0765ee75ed64fa2e34822e4949a70a1429@linux.ibm.com>

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