test: Add 32bit PowerPC to the test plan

Since MIPS is temporarily out of order due to some issues with LLD let's
add PPC32 to have at least one big-endian platform in the testing plan.
89d0cc4d8cLemonBoy committed on 4/21/2021, 2:31:30 PMparente4f9a30
1 file changedLine totals unavailable