buildroot

enlightment: xtensa workaround no longer required

With the update to uClibc-ng 1.0.3, this is no longer needed,
as the problem is fixed upstream.

Signed-off-by: Waldemar Brodkorb <wbx@openadk.org>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>