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/meta-openembedded/meta-oe/recipes-support/libiio/libiio_git.bb b/meta-openembedded/meta-oe/recipes-support/libiio/libiio_git.bb
index b53ba46..f83d9c9 100644
--- a/meta-openembedded/meta-oe/recipes-support/libiio/libiio_git.bb
+++ b/meta-openembedded/meta-oe/recipes-support/libiio/libiio_git.bb
@@ -4,11 +4,11 @@
 LICENSE = "LGPLv2.1+"
 LIC_FILES_CHKSUM = "file://COPYING.txt;md5=7c13b3376cea0ce68d2d2da0a1b3a72c"
 
-# v0.18 + a single commit fixing the build
-SRCREV = "5090603d01779bb1717fb0c50953330e8770550f"
-PV = "0.18+git${SRCPV}"
+SRCREV = "5f5af2e417129ad8f4e05fc5c1b730f0694dca12"
+PV = "0.19+git${SRCPV}"
 
 SRC_URI = "git://github.com/analogdevicesinc/libiio.git;protocol=https"
+UPSTREAM_CHECK_GITTAGREGEX = "v(?P<pver>\d+(\.\d+)+)"
 
 S = "${WORKDIR}/git"