weston_1.9.0.bbappend: fixes for meta-lhg
weston_1.9.0.bbappend: fixes for meta-lhg

The original weston_1.9.0.bbappend from meta-arago-distro would
break non-TI boards. Enable the meta-arago-distro's changes
for sgx and omap_a15 only.

Signed-off-by: Andrey Konovalov <6decb425dd3212bf9b96628630c2d12a43fdad79@linaro.org>

linaro-home/meta-lhg,linaro-home/meta-lhg