Windows UWP builds: determine automatically if asm should be disabled

Windows UWP builds: determine automatically if asm should be disabled

Earlier Windows SDK versions lack the necessary support for our ASM
builds, so we check for the SDK version that has the support.

Information on exactly what registry key to check was found here:

https://stackoverflow.com/questions/2665755/how-can-i-determine-the-version-of-the-windows-sdk-installed-on-my-computer

Ref: #9125

Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
(Merged from https://github.com/openssl/openssl/pull/9440)