python3-blinker: add python3-asyncio to RDEPENDS

The module fails to import without this.

Signed-off-by: Trevor Gamblin <tgamblin@baylibre.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-devtools/python/python3-blinker_1.6.2.bb

@@ -8,6 +8,10 @@ inherit pypi python_setuptools_build_meta ptest
 
 SRC_URI += "file://run-ptest"
 
+RDEPENDS:${PN} += "\
+        ${PYTHON_PN}-asyncio \
+"
+
 RDEPENDS:${PN}-ptest += " \
 	${PYTHON_PN}-pytest \
 "