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-kernel/kexec/kexec-tools-klibc/0009-vmcore-dmesg.c-work-around-missing-imaxdiv.patch b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0009-vmcore-dmesg.c-work-around-missing-imaxdiv.patch
new file mode 100644
index 0000000..df980b1
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0009-vmcore-dmesg.c-work-around-missing-imaxdiv.patch
@@ -0,0 +1,57 @@
+From ad598a71ffff6f86462211f252ac0c7b5de53869 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Tue, 17 Apr 2018 13:14:12 +0200
+Subject: [PATCH] vmcore-dmesg.c: work around missing imaxdiv()
+
+Convert to integer arithmetic for klibc.
+
+Fix
+
+ vmcore-dmesg.c: In function 'dump_dmesg_structured':
+ vmcore-dmesg.c:578:2: error: unknown type name 'imaxdiv_t'
+
+Upstream-Status: Inappropriate [klibc specific]
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+
+---
+ vmcore-dmesg/vmcore-dmesg.c | 13 ++++++++++++-
+ 1 file changed, 12 insertions(+), 1 deletion(-)
+
+diff --git a/vmcore-dmesg/vmcore-dmesg.c b/vmcore-dmesg/vmcore-dmesg.c
+index e340ef4..1b27b71 100644
+--- a/vmcore-dmesg/vmcore-dmesg.c
++++ b/vmcore-dmesg/vmcore-dmesg.c
+@@ -575,8 +575,11 @@ static void dump_dmesg_structured(int fd)
+ 	ssize_t ret;
+ 	char *msg;
+ 	uint16_t text_len;
++#ifndef __KLIBC__
+ 	imaxdiv_t imaxdiv_sec, imaxdiv_usec;
+-
++#else
++	int64_t imaxdiv_sec, imaxdiv_usec;
++#endif
+ 	if (!log_buf_vaddr) {
+ 		fprintf(stderr, "Missing the log_buf symbol\n");
+ 		exit(60);
+@@ -645,12 +648,20 @@ static void dump_dmesg_structured(int fd)
+ 			exit(65);
+ 		}
+ 		ts_nsec = struct_val_u64(buf, log_offset_ts_nsec);
++#ifndef __KLIBC__
+ 		imaxdiv_sec = imaxdiv(ts_nsec, 1000000000);
+ 		imaxdiv_usec = imaxdiv(imaxdiv_sec.rem, 1000);
+ 
+ 		len += sprintf(out_buf + len, "[%5llu.%06llu] ",
+ 			(long long unsigned int)imaxdiv_sec.quot,
+ 			(long long unsigned int)imaxdiv_usec.quot);
++#else
++		imaxdiv_sec = ts_nsec / 1000000000;
++		imaxdiv_usec = (ts_nsec % 1000000000) / 1000;
++		len += sprintf(out_buf + len, "[%5llu.%06llu] ",
++			(long long unsigned int)imaxdiv_sec,
++			(long long unsigned int)imaxdiv_usec);
++#endif
+ 
+ 		/* escape non-printable characters */
+ 		text_len = struct_val_u16(buf, log_offset_text_len);