add powerpc_perf to CONFIG_LIST, rename --powerpc-perf-enable option to --enable-powerpc-perf
add powerpc_perf to CONFIG_LIST, rename --powerpc-perf-enable option
to --enable-powerpc-perf


git-svn-id: a4d7c1866f8397a4106e0b57fc4fbf792bbdaaaf@7969 9553f0bf-9b14-0410-a0b8-cfaf0461ba5b

prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg,prajnashi/ffmpeg