The config symbol TARGET_ps3 is used in the build files where
special handling for the 64 bit PowerPC processors is needed.
Introduce a new config feature powerpc64, and replace the use
of TARGET_ps3 with powerpc64.
Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17306 3c298f89-4303-0410-b956-a3cf2f4a3e73