feat: enable cicd builds for AM62LX

Now that base platform support has been added, enable CICD builds for
AM62LX for the linux and buildroot OS configs.

Signed-off-by: Randolph Sapp <rs@ti.com>

Author: StaticRocket

.github/workflows/build.yml

@@ -28,6 +28,7 @@ jobs:
           - AM437X
           - AM57X
           - AM62AX
+          - AM62LX
           - AM62PX
           - AM62X
           - AM64X
@@ -50,6 +51,8 @@ jobs:
             device: AM62X
           - os: buildroot
             device: AM62X
+          - os: buildroot
+            device: AM62LX
           - os: debian
             device: AM62X
           - os: debian