qemu-system-native: install qmp python module

The qmp python module supports the Qemu Machine Protocol [0].
This module needs to be installed in a known location so the
qemurunner python script can find the qmp module.

This change causes it to be installed in the recipe-sysroot-native
of the target image and that directory can be added to the python
sys.path that needs to use the qmp.py module.

[0] https://github.com/qemu/qemu/blob/master/docs/interop/qmp-spec.txt



Signed-off-by: Saul Wold <saul.wold@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>