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-openembedded/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/kernel-4.18.patch b/meta-openembedded/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/kernel-4.18.patch
new file mode 100644
index 0000000..93eaa3d
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-support/vboxguestdrivers/vboxguestdrivers/kernel-4.18.patch
@@ -0,0 +1,33 @@
+Description: Fix build failure with new kernel 4.18
+Author: Gianfranco Costamagna <locutusofborg@debian.org>
+
+Upstream-Status:Pending
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+Index: vbox_module/vboxsf/utils.c
+===================================================================
+--- vbox_module.orig/vboxsf/utils.c
++++ vbox_module/vboxsf/utils.c
+@@ -50,7 +50,11 @@ static void sf_timespec_from_ftime(RTTIM
+     RTTimeSpecSetNano(ts, t);
+ }
+ #else /* >= 2.6.0 */
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
+ static void sf_ftime_from_timespec(struct timespec *tv, RTTIMESPEC *ts)
++#else
++static void sf_ftime_from_timespec(struct timespec64 *tv, RTTIMESPEC *ts)
++#endif
+ {
+     int64_t t = RTTimeSpecGetNano(ts);
+     int64_t nsec;
+@@ -60,7 +64,11 @@ static void sf_ftime_from_timespec(struc
+     tv->tv_nsec = nsec;
+ }
+ 
++#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 18, 0)
+ static void sf_timespec_from_ftime(RTTIMESPEC *ts, struct timespec *tv)
++#else
++static void sf_timespec_from_ftime(RTTIMESPEC *ts, struct timespec64 *tv)
++#endif
+ {
+     int64_t t = (int64_t)tv->tv_nsec + (int64_t)tv->tv_sec * 1000000000;
+     RTTimeSpecSetNano(ts, t);