glibc: fix inconsistency of powerpc ABI mapping

See the commit message of 5b6d26e97bb97d79782f3c77b02a997e361a1497 for
an explanation. This is the same thing but for powerpc instead of mips.
c8af00c66eAndrew Kelley committed on 12/16/2021, 10:01:13 AMparent5aeffab
64 files changedLine totals unavailable