Convert to new override syntax

This is the result of automated script (0.9.1) conversion:

oe-core/scripts/contrib/convert-overrides.py .

converting the metadata to use ":" as the override character instead of "_".

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-oe/recipes-support/function2/function2_4.2.0.bb

@@ -14,7 +14,7 @@ inherit cmake
 inherit ptest
 
 # Installs some data to incorrect top-level /usr directory
-do_install_append() {
+do_install:append() {
 	mkdir -p ${D}/${datadir}/function2
 	mv ${D}/${prefix}/Readme.md ${D}/${datadir}/function2/
 	mv ${D}/${prefix}/LICENSE.txt ${D}/${datadir}/function2/