[ci] Migrate agent pool for nvidia-bluefield

Author: liushilongbuaa

azure-pipelines.yml

@@ -97,7 +97,7 @@ stages:
           PLATFORM_ARCH: armhf
           INCLUDE_RESTAPI: y
       - name: nvidia-bluefield
-        pool: sonicbld-arm64
+        pool: sonicso1ES-arm64
         variables:
           PLATFORM_ARCH: arm64
 - stage: Test