nativesdk-buildtools-perl-dummy: add dependencies for autoconf and automake

* For buildtools-extended-tarball, where we are adding all of build-essentials
  to the nativesdk, we need additional perl modules for autoconf and automake.

Signed-off-by: Tim Orling <timothy.t.orling@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>