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/lib/oeqa/selftest/cases/sysroot.py b/poky/meta/lib/oeqa/selftest/cases/sysroot.py
new file mode 100644
index 0000000..6e34927
--- /dev/null
+++ b/poky/meta/lib/oeqa/selftest/cases/sysroot.py
@@ -0,0 +1,37 @@
+#
+# SPDX-License-Identifier: MIT
+#
+
+import uuid
+
+from oeqa.selftest.case import OESelftestTestCase
+from oeqa.utils.commands import  bitbake
+
+class SysrootTests(OESelftestTestCase):
+    def test_sysroot_cleanup(self):
+        """
+        Build sysroot test which depends on virtual/sysroot-test for one machine,
+        switch machine, switch provider of virtual/sysroot-test and check that the
+        sysroot is correctly cleaned up. The files in the two providers overlap
+        so can cause errors if the sysroot code doesn't function correctly.
+        Yes, sysroot-test should be machine specific really to avoid this, however
+        the sysroot cleanup should also work [YOCTO #13702]. 
+        """
+
+        uuid1 = uuid.uuid4()
+        uuid2 = uuid.uuid4()
+
+        self.write_config("""
+PREFERRED_PROVIDER_virtual/sysroot-test = "sysroot-test-arch1"
+MACHINE = "qemux86"
+TESTSTRING_pn-sysroot-test-arch1 = "%s"
+TESTSTRING_pn-sysroot-test-arch2 = "%s"
+""" % (uuid1, uuid2))
+        bitbake("sysroot-test")
+        self.write_config("""
+PREFERRED_PROVIDER_virtual/sysroot-test = "sysroot-test-arch2"
+MACHINE = "qemux86copy"
+TESTSTRING_pn-sysroot-test-arch1 = "%s"
+TESTSTRING_pn-sysroot-test-arch2 = "%s"
+""" % (uuid1, uuid2))
+        bitbake("sysroot-test")