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-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-add-getrandom-syscall.patch b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-add-getrandom-syscall.patch
new file mode 100644
index 0000000..0768f6d
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-devtools/klibc/klibc-2.0.4/0001-klibc-add-getrandom-syscall.patch
@@ -0,0 +1,27 @@
+From e4d5d5224609d7d5c824dd231f5baec868befdfa Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Tue, 4 Sep 2018 23:56:00 +0200
+Subject: [PATCH 1/1] klibc: add getrandom() syscall
+
+needed by latest kexec-tools for qemuarm64 (kashan)
+
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+---
+ usr/klibc/SYSCALLS.def | 1 +
+ 1 file changed, 1 insertion(+)
+
+diff --git a/usr/klibc/SYSCALLS.def b/usr/klibc/SYSCALLS.def
+index 6b3bf4c..d4184ba 100644
+--- a/usr/klibc/SYSCALLS.def
++++ b/usr/klibc/SYSCALLS.def
+@@ -274,6 +274,7 @@ int syslog::klogctl(int, char *, int);
+ int sysinfo(struct sysinfo *);
+ long kexec_load(void *, unsigned long, struct kexec_segment *, unsigned long);
+ <x86_64,ppc64,s390x> long kexec_file_load(int, int, unsigned long, const char *, unsigned long);
++ssize_t getrandom(void *, size_t, unsigned int);
+ 
+ /*
+  * Low-level I/O (generally architecture-specific);
+-- 
+2.7.4
+