Rust

uefi: remove duplication in DevicePathHeader; use uefi-raw #6556

Job	Run time
Build (stable MSRV)	42s
Build (uefi-raw MSRV)	37s
Integration Test (AArch64)	1m 33s
Integration Test (IA-32)	1m 30s
Integration Test (x86_64)	1m 26s
Integration Test (x86_64 Windows)	3m 0s
Unit + Doc Tests	51s
Build Standard Binary (nightly)	28s
Build (feature permutations)	4m 3s
Nightly (build, test, doc)	1m 32s
Unit + Doc Tests (Miri)	1m 16s
Test Coverage	41s
	17m 39s

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