meta-openembedded and poky: subtree updates

Squash of the following due to dependencies among them
and OpenBMC changes:

meta-openembedded: subtree update:d0748372d2..9201611135
meta-openembedded: subtree update:9201611135..17fd382f34
poky: subtree update:9052e5b32a..2e11d97b6c
poky: subtree update:2e11d97b6c..a8544811d7

The change log was too large for the jenkins plugin
to handle therefore it has been removed. Here is
the first and last commit of each subtree:

meta-openembedded:d0748372d2
      cppzmq: bump to version 4.6.0
meta-openembedded:17fd382f34
      mpv: Remove X11 dependency
poky:9052e5b32a
      package_ipk: Remove pointless comment to trigger rebuild
poky:a8544811d7
      pbzip2: Fix license warning

Change-Id: If0fc6c37629642ee207a4ca2f7aa501a2c673cd6
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
diff --git a/poky/meta/recipes-rt/rt-tests/rt-tests.inc b/poky/meta/recipes-rt/rt-tests/rt-tests.inc
index 227eb99..3ac39d9 100644
--- a/poky/meta/recipes-rt/rt-tests/rt-tests.inc
+++ b/poky/meta/recipes-rt/rt-tests/rt-tests.inc
@@ -4,7 +4,7 @@
 
 SRC_URI = "git://git.kernel.org/pub/scm/utils/rt-tests/rt-tests.git"
 # 1.2 to 1.5 seem to be development versions
-UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>(?!1\.[2-5])(\d+(\.\d+)+))"
+UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>(?!1\.[2-6])(\d+(\.\d+)+))"
 
 S = "${WORKDIR}/git"