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-kernel/lttng/lttng-modules_2.11.2.bb b/poky/meta/recipes-kernel/lttng/lttng-modules_2.11.2.bb
new file mode 100644
index 0000000..6fff096
--- /dev/null
+++ b/poky/meta/recipes-kernel/lttng/lttng-modules_2.11.2.bb
@@ -0,0 +1,43 @@
+SECTION = "devel"
+SUMMARY = "Linux Trace Toolkit KERNEL MODULE"
+DESCRIPTION = "The lttng-modules 2.0 package contains the kernel tracer modules"
+LICENSE = "LGPLv2.1 & GPLv2 & MIT"
+LIC_FILES_CHKSUM = "file://LICENSE;md5=3f882d431dc0f32f1f44c0707aa41128"
+
+inherit module
+
+COMPATIBLE_HOST = '(x86_64|i.86|powerpc|aarch64|mips|nios2|arm|riscv).*-linux'
+
+SRC_URI = "https://lttng.org/files/${BPN}/${BPN}-${PV}.tar.bz2 \
+           file://Makefile-Do-not-fail-if-CONFIG_TRACEPOINTS-is-not-en.patch \
+           file://BUILD_RUNTIME_BUG_ON-vs-gcc7.patch \
+           "
+
+SRC_URI[md5sum] = "2e3bc8cfb264fa13f374618b46f170e7"
+SRC_URI[sha256sum] = "8a42240813b8fd1d001835cd6f5ec687f7d7f3b26070d4e21604c35a51a6441d"
+
+export INSTALL_MOD_DIR="kernel/lttng-modules"
+
+EXTRA_OEMAKE += "KERNELDIR='${STAGING_KERNEL_DIR}'"
+
+do_install_append() {
+	# Delete empty directories to avoid QA failures if no modules were built
+	find ${D}/${nonarch_base_libdir} -depth -type d -empty -exec rmdir {} \;
+}
+
+python do_package_prepend() {
+    if not os.path.exists(os.path.join(d.getVar('D'), d.getVar('nonarch_base_libdir')[1:], 'modules')):
+        bb.warn("%s: no modules were created; this may be due to CONFIG_TRACEPOINTS not being enabled in your kernel." % d.getVar('PN'))
+}
+
+BBCLASSEXTEND = "devupstream:target"
+LIC_FILES_CHKSUM_class-devupstream = "file://LICENSE;md5=3f882d431dc0f32f1f44c0707aa41128"
+DEFAULT_PREFERENCE_class-devupstream = "-1"
+SRC_URI_class-devupstream = "git://git.lttng.org/lttng-modules;branch=stable-2.11 \
+           file://Makefile-Do-not-fail-if-CONFIG_TRACEPOINTS-is-not-en.patch \
+           file://BUILD_RUNTIME_BUG_ON-vs-gcc7.patch \
+           "
+SRCREV_class-devupstream = "17c413953603f063f2a9d6c3788bec914ce6f955"
+PV_class-devupstream = "2.11.2+git${SRCPV}"
+S_class-devupstream = "${WORKDIR}/git"
+SRCREV_FORMAT ?= "lttng_git"