openpower-software-manager: Replace pythonnative with python3native

(From meta-openpower rev: 476b9ea78ce9622eb11a460eba59cb17e6a393ec)

Change-Id: I120169953014458817360e811d91e2827592e0cc
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-openpower/recipes-phosphor/flash/openpower-software-manager_git.bb b/meta-openpower/recipes-phosphor/flash/openpower-software-manager_git.bb
index 9c71a1e..2383295 100644
--- a/meta-openpower/recipes-phosphor/flash/openpower-software-manager_git.bb
+++ b/meta-openpower/recipes-phosphor/flash/openpower-software-manager_git.bb
@@ -10,7 +10,7 @@
 
 inherit autotools pkgconfig systemd
 inherit obmc-phosphor-dbus-service
-inherit pythonnative
+inherit python3native
 
 inherit ${@bb.utils.contains('DISTRO_FEATURES', 'openpower-ubi-fs', \
                              'openpower-software-manager-ubi', \