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-poky/conf/distro/include/poky-distro-alt-test-config.inc b/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
index 9926c1b..0b0412e 100644
--- a/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
+++ b/poky/meta-poky/conf/distro/include/poky-distro-alt-test-config.inc
@@ -2,7 +2,7 @@
 DISTRO_FEATURES_append = " pam"
 
 # Use the LTSI Kernel
-PREFERRED_VERSION_linux-yocto ?= "4.19%"
+PREFERRED_VERSION_linux-yocto ?= "5.4%"
 
 # Ensure the kernel nfs server is enabled
 KERNEL_FEATURES_append_pn-linux-yocto = " features/nfsd/nfsd-enable.scc"
diff --git a/poky/meta-poky/conf/distro/poky.conf b/poky/meta-poky/conf/distro/poky.conf
index 6194142..91779e4 100644
--- a/poky/meta-poky/conf/distro/poky.conf
+++ b/poky/meta-poky/conf/distro/poky.conf
@@ -1,11 +1,11 @@
 DISTRO = "poky"
 DISTRO_NAME = "Poky (Yocto Project Reference Distro)"
-DISTRO_VERSION = "3.0"
-DISTRO_CODENAME = "zeus"
+DISTRO_VERSION = "3.1"
+DISTRO_CODENAME = "dunfell"
 SDK_VENDOR = "-pokysdk"
 SDK_VERSION = "${@d.getVar('DISTRO_VERSION').replace('snapshot-${DATE}', 'snapshot')}"
 
-MAINTAINER = "Poky <poky@yoctoproject.org>"
+MAINTAINER = "Poky <poky@lists.yoctoproject.org>"
 
 TARGET_VENDOR = "-poky"
 
@@ -21,7 +21,7 @@
 
 DISTRO_FEATURES ?= "${DISTRO_FEATURES_DEFAULT} ${POKY_DEFAULT_DISTRO_FEATURES}"
 
-PREFERRED_VERSION_linux-yocto ?= "5.2%"
+PREFERRED_VERSION_linux-yocto ?= "5.4%"
 
 SDK_NAME = "${DISTRO}-${TCLIBC}-${SDKMACHINE}-${IMAGE_BASENAME}-${TUNE_PKGARCH}-${MACHINE}"
 SDKPATH = "/opt/${DISTRO}/${SDK_VERSION}"
@@ -52,13 +52,14 @@
 SANITY_TESTED_DISTROS ?= " \
             poky-2.7 \n \
             poky-3.0 \n \
+            poky-3.1 \n \
             ubuntu-16.04 \n \
             ubuntu-18.04 \n \
             ubuntu-19.04 \n \
-            fedora-28 \n \
-            fedora-29 \n \
             fedora-30 \n \
+            fedora-31 \n \
             centos-7 \n \
+            centos-8 \n \
             debian-8 \n \
             debian-9 \n \
             debian-10 \n \
@@ -87,3 +88,8 @@
 require conf/distro/include/yocto-uninative.inc
 require conf/distro/include/security_flags.inc
 INHERIT += "uninative"
+
+INHERIT += "reproducible_build"
+
+BB_SIGNATURE_HANDLER ?= "OEEquivHash"
+BB_HASHSERVE ??= "auto"
diff --git a/poky/meta-poky/conf/layer.conf b/poky/meta-poky/conf/layer.conf
index a4b3d1e..234be13 100644
--- a/poky/meta-poky/conf/layer.conf
+++ b/poky/meta-poky/conf/layer.conf
@@ -9,7 +9,7 @@
 BBFILE_PATTERN_yocto = "^${LAYERDIR}/"
 BBFILE_PRIORITY_yocto = "5"
 
-LAYERSERIES_COMPAT_yocto = "zeus"
+LAYERSERIES_COMPAT_yocto = "dunfell"
 
 # This should only be incremented on significant changes that will
 # cause compatibility issues with other layers
diff --git a/poky/meta-poky/conf/local.conf.sample b/poky/meta-poky/conf/local.conf.sample
index 2e0bb41..b555f1d 100644
--- a/poky/meta-poky/conf/local.conf.sample
+++ b/poky/meta-poky/conf/local.conf.sample
@@ -31,7 +31,6 @@
 #MACHINE ?= "beaglebone-yocto"
 #MACHINE ?= "genericx86"
 #MACHINE ?= "genericx86-64"
-#MACHINE ?= "mpc8315e-rdb"
 #MACHINE ?= "edgerouter"
 #
 # This sets the default machine to be qemux86-64 if no other machine is selected: