Commits
Masahiro Yamada committed 002494d87d5
kbuild: rpm-pkg: replace $RPM_BUILD_ROOT with %{buildroot}
$RPM_BUILD_ROOT must be escaped to prevent shell from expanding it
when generating the spec file.
%{build_root} is more readable than \$RPM_BUILD_ROOT.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>