Update ['dlc_developer_config.toml']

dlc_developer_config.toml:
{   'build': {   'build_frameworks': ['pytorch'],
                 'build_inference': True,
                 'build_training': False},
    'buildspec_override': {   'dlc-pr-pytorch-graviton-inference': 'pytorch/inference/buildspec-graviton-2-4-ec2.yml'},
    'dev': {   'arm64_mode': False,
               'deep_canary_mode': False,
               'graviton_mode': True,
               'neuronx_mode': False},
    'test': {   'ec2_tests': True,
                'ecs_tests': True,
                'eks_tests': True,
                'sagemaker_local_tests': True,
                'sagemaker_remote_tests': True,
                'sanity_tests': True,
                'security_tests': True}}

dlc_developer_config.toml

@@ -3,13 +3,13 @@ partner_developer = ""
 ei_mode = false
 neuron_mode = false
 neuronx_mode = false
-graviton_mode = false
+graviton_mode = true
 habana_mode = false
 huggingface_trcomp_mode = false
 trcomp_mode = false
 deep_canary_mode = false
 # WARNING: Unrecognized key generated below
-arm64_mode = true
+arm64_mode = false
 
 [build]
 build_frameworks = [ "pytorch",]
@@ -69,11 +69,9 @@ dlc-pr-huggingface-pytorch-inference = ""
 dlc-pr-huggingface-pytorch-neuron-inference = ""
 dlc-pr-stabilityai-pytorch-inference = ""
 dlc-pr-mxnet-graviton-inference = ""
-dlc-pr-pytorch-graviton-inference = ""
+dlc-pr-pytorch-graviton-inference = "pytorch/inference/buildspec-graviton-2-4-ec2.yml"
 dlc-pr-tensorflow-2-graviton-inference = ""
 dlc-pr-mxnet-eia-inference = ""
 dlc-pr-pytorch-eia-inference = ""
 dlc-pr-tensorflow-2-eia-inference = ""
-# WARNING: Unrecognized key generated below
-dlc-pr-pytorch-arm64-inference = "pytorch/inference/buildspec-arm64-2-4-sm.yml"