kvm: add two help dump files

One is the --help output for kvm 1.1.2 and the second one is the same as
0.9.1 but with a fake option added between -drive and its boot=on|off
option: this tests that if boot=on|off appears in another option after
-drive it is not accepted by our regexp.

Signed-off-by: Guido Trotter <ultrotter@google.com>
Reviewed-by: Michael Hanselmann <hansmi@google.com>