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/libssh/libssh_0.8.9.bb

@@ -17,7 +17,7 @@ PACKAGECONFIG ??= "gcrypt"
 PACKAGECONFIG[gssapi] = "-DWITH_GSSAPI=1, -DWITH_GSSAPI=0, krb5, "
 PACKAGECONFIG[gcrypt] = "-DWITH_GCRYPT=1, -DWITH_GCRYPT=0, libgcrypt, "
 
-ARM_INSTRUCTION_SET_armv5 = "arm"
+ARM_INSTRUCTION_SET:armv5 = "arm"
 
 EXTRA_OECMAKE = " \
     -DWITH_PCAP=1 \
@@ -26,7 +26,7 @@ EXTRA_OECMAKE = " \
     -DLIB_SUFFIX=${@d.getVar('baselib').replace('lib', '')} \
     "
 
-do_configure_prepend () {
+do_configure:prepend () {
     # Disable building of examples
     sed -i -e '/add_subdirectory(examples)/s/^/#DONOTWANT/' ${S}/CMakeLists.txt \
         || bbfatal "Failed to disable examples"