phosphor-time-manager: use python3

(From meta-phosphor rev: 759dd47bb7821db29b2707ecd2e0427b029be0d7)

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: Ie54d4f9bba9ad4e749926405aea70541abfb41be
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/meta-phosphor/recipes-phosphor/datetime/phosphor-time-manager_git.bb b/meta-phosphor/recipes-phosphor/datetime/phosphor-time-manager_git.bb
index dfa435b..ebb6427 100644
--- a/meta-phosphor/recipes-phosphor/datetime/phosphor-time-manager_git.bb
+++ b/meta-phosphor/recipes-phosphor/datetime/phosphor-time-manager_git.bb
@@ -5,7 +5,7 @@
 
 LICENSE = "Apache-2.0"
 LIC_FILES_CHKSUM = "file://LICENSE;md5=e3fc50a88d0a364313df4b21ef20c29e"
-inherit autotools pkgconfig pythonnative
+inherit autotools pkgconfig python3native
 inherit obmc-phosphor-dbus-service
 
 DEPENDS += "autoconf-archive-native"