100644 blob 4e4bb519d9d2333469124b5892e927b4f7c7cc26	BUILD.gn
040000 tree 0a592515a5bda3bb3202a778384cbfebe5458a07	fallback
040000 tree 5257d679885fd424ba12cc84e8fa70a7b88ce025	intel-rtc
040000 tree baf7f071cd3a0b0fc6467375bae6bf345cffaea6	nxp
040000 tree cb8a2e1bbee22263c4ee8efe0456bad76c7fd0af	pl031-rtc