reset upstream subtrees to yocto 2.6

Reset the following subtrees on thud HEAD:

  poky: 87e3a9739d
  meta-openembedded: 6094ae18c8
  meta-security: 31dc4e7532
  meta-raspberrypi: a48743dc36
  meta-xilinx: c42016e2e6

Also re-apply backports that didn't make it into thud:
  poky:
    17726d0 systemd-systemctl-native: handle Install wildcards

  meta-openembedded:
    4321a5d libtinyxml2: update to 7.0.1
    042f0a3 libcereal: Add native and nativesdk classes
    e23284f libcereal: Allow empty package
    030e8d4 rsyslog: curl-less build with fmhttp PACKAGECONFIG
    179a1b9 gtest: update to 1.8.1

Squashed OpenBMC subtree compatibility updates:
  meta-aspeed:
    Brad Bishop (1):
          aspeed: add yocto 2.6 compatibility

  meta-ibm:
    Brad Bishop (1):
          ibm: prepare for yocto 2.6

  meta-ingrasys:
    Brad Bishop (1):
          ingrasys: set layer compatibility to yocto 2.6

  meta-openpower:
    Brad Bishop (1):
          openpower: set layer compatibility to yocto 2.6

  meta-phosphor:
    Brad Bishop (3):
          phosphor: set layer compatibility to thud
          phosphor: libgpg-error: drop patches
          phosphor: react to fitimage artifact rename

    Ed Tanous (4):
          Dropbear: upgrade options for latest upgrade
          yocto2.6: update openssl options
          busybox: remove upstream watchdog patch
          systemd: Rebase CONFIG_CGROUP_BPF patch

Change-Id: I7b1fe71cca880d0372a82d94b5fd785323e3a9e7
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/conf/machine/qemux86.conf b/poky/meta/conf/machine/qemux86.conf
index 811e3ef..e78fb6e 100644
--- a/poky/meta/conf/machine/qemux86.conf
+++ b/poky/meta/conf/machine/qemux86.conf
@@ -11,6 +11,8 @@
 require conf/machine/include/tune-i586.inc
 require conf/machine/include/qemuboot-x86.inc
 
+UBOOT_MACHINE ?= "qemu-x86_defconfig"
+
 KERNEL_IMAGETYPE = "bzImage"
 
 SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyS1"
@@ -28,6 +30,8 @@
 
 MACHINE_ESSENTIAL_EXTRA_RDEPENDS += "v86d"
 
+MACHINE_EXTRA_RRECOMMENDS = "kernel-module-snd-ens1370 kernel-module-snd-rawmidi"
+
 KERNEL_MODULE_AUTOLOAD += "uvesafb"
 KERNEL_MODULE_PROBECONF += "uvesafb"
 module_conf_uvesafb = "options uvesafb mode_option=${UVESA_MODE}"