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-extended/byacc/byacc_20200330.bb b/meta-openembedded/meta-oe/recipes-extended/byacc/byacc_20200330.bb
new file mode 100644
index 0000000..975311c
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-extended/byacc/byacc_20200330.bb
@@ -0,0 +1,11 @@
+# Sigh. This is one of those places where everyone licenses it differently. Someone
+# even apply UCB to it (Free/Net/OpenBSD). The maintainer states that:
+# "I've found no reliable source which states that byacc must bear a UCB copyright."
+# Setting to PD as this is what the upstream has it as.
+
+LICENSE = "PD"
+LIC_FILES_CHKSUM = "file://package/debian/copyright;md5=262857ec5923f073fa06a1f1812225ea"
+require byacc.inc
+
+SRC_URI[md5sum] = "decf6e6b82ea2efae6bbad32d7777da8"
+SRC_URI[sha256sum] = "e099e2dd8a684d739ac6b9a0e43d468314a5bc34fd21466502d120b18df51fb0"