feat: temp: Disable Buildroot cicd builds for AM62LX

Buildroot flavor of AM62LX docs are not ready yet.
Disabling it from CICD flow for now.

Signed-off-by: Praneeth Bajjuri <[email protected]>

Author: praneethbajjuri

.github/workflows/build.yml

@@ -49,8 +49,6 @@ jobs:
             device: AM62PX
           - os: android
             device: AM62X
-          - os: buildroot
-            device: AM62LX
           - os: buildroot
             device: AM62X
           - os: debian