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/meta-raspberrypi/conf/machine/include/rpi-base.inc b/meta-raspberrypi/conf/machine/include/rpi-base.inc
index 539d1bc..4bbd576 100644
--- a/meta-raspberrypi/conf/machine/include/rpi-base.inc
+++ b/meta-raspberrypi/conf/machine/include/rpi-base.inc
@@ -15,7 +15,9 @@
     "
 
 RPI_KERNEL_DEVICETREE_OVERLAYS ?= " \
+    overlays/at86rf233.dtbo \
     overlays/dwc2.dtbo \
+    overlays/gpio-key.dtbo \
     overlays/hifiberry-amp.dtbo \
     overlays/hifiberry-dac.dtbo \
     overlays/hifiberry-dacplus.dtbo \
@@ -24,18 +26,17 @@
     overlays/iqaudio-dac.dtbo \
     overlays/iqaudio-dacplus.dtbo \
     overlays/lirc-rpi.dtbo \
+    overlays/pi3-disable-bt.dtbo \
+    overlays/pi3-miniuart-bt.dtbo \
     overlays/pitft22.dtbo \
     overlays/pitft28-resistive.dtbo \
     overlays/pitft35-resistive.dtbo \
     overlays/pps-gpio.dtbo \
     overlays/rpi-ft5406.dtbo \
     overlays/rpi-poe.dtbo \
-    overlays/w1-gpio.dtbo \
-    overlays/w1-gpio-pullup.dtbo \
-    overlays/pi3-disable-bt.dtbo \
-    overlays/pi3-miniuart-bt.dtbo \
     overlays/vc4-kms-v3d.dtbo \
-    overlays/at86rf233.dtbo \
+    overlays/w1-gpio-pullup.dtbo \
+    overlays/w1-gpio.dtbo \
     "
 
 RPI_KERNEL_DEVICETREE ?= " \
@@ -84,23 +85,18 @@
     imgtyp = d.getVar('KERNEL_IMAGETYPE')
 
     def transform(dtb):
+        base = os.path.basename(dtb)
         if dtb.endswith('dtb'):
             # eg: whatever/bcm2708-rpi-b.dtb has:
-            #     DEPLOYDIR file: ${KERNEL_IMAGETYPE}-bcm2708-rpi-b.dtb
+            #     DEPLOYDIR file: bcm2708-rpi-b.dtb
             #     destination: bcm2708-rpi-b.dtb
-            base = os.path.basename(dtb)
-            src = '{}-{}'.format(imgtyp, base)
-            dst = base
-            return '{};{}'.format(src, dst)
+            return base
         elif dtb.endswith('dtbo'):
             # overlay dtb:
             # eg: overlays/hifiberry-amp.dtbo has:
-            #     DEPLOYDIR file: ${KERNEL_IMAGETYPE}-hifiberry-amp.dtbo
+            #     DEPLOYDIR file: hifiberry-amp.dtbo
             #     destination: overlays/hifiberry-amp.dtbo
-            base = os.path.basename(dtb)
-            src = '{}-{}'.format(imgtyp, base)
-            dst = dtb
-            return '{};{}'.format(src, dtb)
+            return '{};{}'.format(base, dtb)
 
     return ' '.join([transform(dtb) for dtb in alldtbs.split(' ') if dtb])