Add kernel assembly files to MSVC build.
Signed-off-by:Jens Elofsson <jens.elofsson@arm.com> Approved-by:
Felix Johnny Thomasmathibalan <felixjohnny.thomasmathibalan@arm.com>
Signed-off-by:Jens Elofsson <jens.elofsson@arm.com> Approved-by:
Felix Johnny Thomasmathibalan <felixjohnny.thomasmathibalan@arm.com>