kvmtool: remove kvm/segment.h

This header just holds three trivial functions, but pulls in
linux/types.h, which calls for trouble when compiling BIOS files on
x86-64 multiarch machines.
Remove unnecessary includes and move the definitions into the files
where they are used.

Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
5 files changed