Update CMake to handle ARM64EC with VS Generator (#493) #38

Job	Run time
build (windows-2019, x64-Debug, amd64)	1m 41s
build (windows-2019, x64-Release, amd64)	2m 5s
build (windows-2019, x64-Debug-Clang, amd64)	2m 5s
build (windows-2019, x64-Release-Clang, amd64)	2m 15s
build (windows-2022, x64-Debug, amd64)	2m 9s
build (windows-2022, x64-Release, amd64)	1m 38s
build (windows-2022, x64-Debug-Clang, amd64)	2m 24s
build (windows-2022, x64-Release-Clang, amd64)	2m 33s
build (windows-2019, x86-Debug, amd64_x86)	1m 56s
build (windows-2019, x86-Release, amd64_x86)	2m 21s
build (windows-2019, x86-Debug-Clang, amd64_x86)	2m 5s
build (windows-2019, x86-Release-Clang, amd64_x86)	2m 59s
build (windows-2022, x86-Debug, amd64_x86)	1m 14s
build (windows-2022, x86-Release, amd64_x86)	2m 15s
build (windows-2022, x86-Debug-Clang, amd64_x86)	2m 30s
build (windows-2022, x86-Release-Clang, amd64_x86)	1m 33s
build (windows-2022, arm64-Debug, amd64_arm64)	1m 5s
build (windows-2022, arm64-Release, amd64_arm64)	2m 30s
build (windows-2022, arm64ec-Debug, amd64_arm64)	1m 46s
build (windows-2022, arm64ec-Release, amd64_arm64)	2m 5s
	41m 9s

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