buildroot

package/weston: bump version

Even with EGL disabled, weston-1.2.2 still tries to build the
simple EGL clients, so they need to be explicitly disabled.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>