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

(From OE-Core rev: 46a60f67562a6ae227e018228212fc797d1f2795)

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

meta/recipes-devtools/qemu/qemu-system-native_5.2.0.bb

@@ -1,5 +1,7 @@
 BPN = "qemu"
 
+inherit python3-dir
+
 require qemu-native.inc
 
 # As some of the files installed by qemu-native and qemu-system-native
@@ -23,4 +25,7 @@ do_install_append() {
     rm -f ${D}${datadir}/qemu/trace-events-all
     rm -rf ${D}${datadir}/qemu/keymaps
     rm -rf ${D}${datadir}/icons/
+
+    # Install qmp.py to be used with testimage
+    install -D ${S}/python/qemu/qmp.py ${D}${PYTHON_SITEPACKAGES_DIR}/qmp.py
 }