cherry-picked commit 6dfb54049f9a99b24fe5d5cd2d3af19eadc8f31f ('powerpc/xmon: Add xmon command to dump process/task similar to ps(1)')
cherry-picked commit 6dfb54049f9a99b 24fe5d5cd2d3af1 9eadc8f31f ('powerpc/xmon: Add xmon command to dump process/task similar to ps(1)')