Add FlagOS Triton fused RoPE kernels #170

Job	Run time
run_tests / checkout_and_config	5s
run_tests / unit_tests (a100) / unit-a100-pytorch_unittest	54m 56s
run_tests / unit_tests (a100) / unit-a100-pytorch_distributed_unittest	42m 28s
run_tests / unit_tests (a100) / unit-a100-pytorch_debug	42m 55s
run_tests / unit_tests_complete	4s
run_tests / integration_tests (a100) / integration-a100-pytorch_mcore_integration	41m 9s
run_tests / integration_tests_complete	3s
run_tests / all_tests_complete	2s
all_tests	3s
	3h 1m 45s

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