Drop all custom objarch.h files; ghostscript nowadays generates
that with autoconf.
Freetype can no longer be disabled.
Building out of source tree is broken.
(From OE-Core rev: bb699a99b2e99a868520430c614d55ea3004427c)
Signed-off-by: Alexander Kanavin <alex.kanavin@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
