9ecda934f43b ("powerpc/configs: Make pseries_defconfig an alias for ppc64le_guest")
22db99d67364 ("powerpc/Makefile: Add generated defconfigs to help output")
228c7a95534b ("powerpc/Makefile: Don't prefix archhelp commands with "@"")
a400c287ce98 ("kbuild: Add config fragment merge functionality")