Makefile: Remove generated headers on clean
Running `make distclean' followed by a new out-of-tree build would fail
due to stale generated QMP headers in the tree.
Commit
611b727374ad76fb0078ea65bc1387194913980e (Makefile: remove more
generated files on clean) made sure generated sources are removed.
Also remove generated headers introduced in commit
e3193601c84558c303b1773379da76fce80c0a56 (qapi: use middle mode in QMP
server).
Signed-off-by: Andreas Färber <andreas.faerber@web.de>
Cc: Michael S. Tsirkin <mst@redhat.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>