feat(workflow): Add AM62DX in Github workflow

Add AM62DX device in the github workflow for CI/CD build of the
processor-sdk-docs.

Signed-off-by: Paresh Bhagat <[email protected]>

Author: paresh-bhagat12

.github/workflows/build.yml

@@ -44,6 +44,7 @@ jobs:
           - J722S
           - J742S2
           - J784S4
+          - AM62DX
         include:
           - os: android
             device: AM62PX