ppc patch queue 2021-10-21 Here's the next batch of ppc target related patches for qemu-6.2. Highlights are: * Some fixes and minimal tests for old embedded ppc platforms * The beginnings of PMU emulation in TCG from Daniel Barboza * Some improvements to the pegasos2 platform * A number of TCG bugfixes from the folks at the El Dorado Institute * A few other assorted bugfixes and cleanups