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/thin-provisioning-tools/files/0001-fix-compile-failed-with-libc-musl.patch b/meta-openembedded/meta-oe/recipes-support/thin-provisioning-tools/files/0001-fix-compile-failed-with-libc-musl.patch
new file mode 100644
index 0000000..28b44da
--- /dev/null
+++ b/meta-openembedded/meta-oe/recipes-support/thin-provisioning-tools/files/0001-fix-compile-failed-with-libc-musl.patch
@@ -0,0 +1,42 @@
+From fcbcf9c494cca166106ae4cb03c1dd135ee4f25c Mon Sep 17 00:00:00 2001
+From: Hongxu Jia <hongxu.jia@windriver.com>
+Date: Wed, 1 Aug 2018 09:34:00 +0800
+Subject: [PATCH] fix compile failed with libc musl
+
+There is a failure while compiling with libc musl:
+[snip]
+|./block-cache/io_engine.h:18:17: error: expected
+unqualified-id before numeric constant
+|  unsigned const PAGE_SIZE = 4096;
+[snip]
+
+The musl defeines macro PAGE_SIZE, undef it conditionally
+could fix the issue.
+
+http://musl.openwall.narkive.com/tO8vrHdP/why-musl-define-page-size
+
+Upstream-Status: Submitted [git://github.com/jthornber/thin-provisioning-tools]
+
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
+---
+ block-cache/io_engine.h | 4 ++++
+ 1 file changed, 4 insertions(+)
+
+diff --git a/block-cache/io_engine.h b/block-cache/io_engine.h
+index 1704251..e36b932 100644
+--- a/block-cache/io_engine.h
++++ b/block-cache/io_engine.h
+@@ -12,6 +12,10 @@
+ 
+ //----------------------------------------------------------------
+ 
++// Musl defines
++#ifdef PAGE_SIZE
++#undef PAGE_SIZE
++#endif
+ namespace bcache {
+ 	using sector_t = uint64_t;
+ 
+-- 
+2.7.4
+