swupdate: update to 2016.07

Signed-off-by: Stefano Babic <sbabic@denx.de>

recipes-support/swupdate/swupdate_2016.07.bb

@@ -0,0 +1,7 @@
+require swupdate.inc
+
+SRC_URI = "git://github.com/sbabic/swupdate.git;protocol=git;tag=2016.07 \
+     file://defconfig \
+     file://swupdate \
+     file://swupdate.service \
+     "