perf: fix the install-python_ext on upstream kernel
The Perf source code between Yocto and upstream are different, like below
commit is not in upstream, so broaden the "--root" replacement to Makefile*
commit
33e96fb1e2d77541e81eb341ccd3fbe9419e4c9a
Author: Tom Zanussi <tom.zanussi@intel.com>
Date: Tue Jul 3 13:07:23 2012 -0500
perf: change --root to --prefix for python install
Otherwise we get the sysroot path appended to the build path, not what
we want.
Signed-off-by: Tom Zanussi <tom.zanussi@intel.com>
Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
