component/coreutils: build without libcap

We don't seem to need it and we don't want configure script to pickup
system one.

component/coreutils/buildout.cfg

@@ -11,6 +11,9 @@ recipe = slapos.recipe.cmmi
 shared = true
 url = https://ftp.gnu.org/gnu/coreutils/coreutils-8.31.tar.xz
 md5sum = 0009a224d8e288e8ec406ef0161f9293
+configure-options = 
+  --disable-libcap
+  --prefix=@@LOCATION@@
 environment =
   PATH=${perl:location}/bin:${xz-utils:location}/bin:%(PATH)s
   LDFLAGS=-Wl,--as-needed -L${gmp:location}/lib -Wl,-rpath=${gmp:location}/lib