Revert "Remove arm instances from dcgmExporter nodeAffinity selector (#230)" (#241)

This reverts commit 86f49e1.

Author: movence

charts/amazon-cloudwatch-observability/values.yaml

@@ -1427,6 +1427,12 @@ dcgmExporter:
                   - g5.24xlarge
                   - g5.48xlarge
                   - g5.xlarge
+                  - g5g.2xlarge
+                  - g5g.4xlarge
+                  - g5g.8xlarge
+                  - g5g.16xlarge
+                  - g5g.metal
+                  - g5g.xlarge
                   - g6.2xlarge
                   - g6.4xlarge
                   - g6.8xlarge
@@ -1481,6 +1487,12 @@ dcgmExporter:
                   - ml.g5.24xlarge
                   - ml.g5.48xlarge
                   - ml.g5.xlarge
+                  - ml.g5g.2xlarge
+                  - ml.g5g.4xlarge
+                  - ml.g5g.8xlarge
+                  - ml.g5g.16xlarge
+                  - ml.g5g.metal
+                  - ml.g5g.xlarge
                   - ml.g6.2xlarge
                   - ml.g6.4xlarge
                   - ml.g6.8xlarge