upgpkg: lib32-libdrm 2.4.56-1

upstream update 2.4.56

git-svn-id: file:///srv/repos/svn-community/svn@116558 9fca08f4-af9d-4005-b8df-a31f2cc04f65
archrelease: copy trunk to multilib-x86_64

git-svn-id: file:///srv/repos/svn-community/svn@116559 9fca08f4-af9d-4005-b8df-a31f2cc04f65