d7cceda96bad ("powerpc: change CONFIG_6xx to CONFIG_PPC_BOOK3S_32")
badf436f6fa5 ("powerpc/Makefiles: Convert ifeq to ifdef where possible")
c90fca951e90 ("Merge tag 'powerpc-4.18-1' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux")