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/0010-fs2dt.c-work-around-missing-getline.patch b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0010-fs2dt.c-work-around-missing-getline.patch
new file mode 100644
index 0000000..cff1485
--- /dev/null
+++ b/meta-openembedded/meta-initramfs/recipes-kernel/kexec/kexec-tools-klibc/0010-fs2dt.c-work-around-missing-getline.patch
@@ -0,0 +1,47 @@
+From edefda702d906d472ee7a675f6b506d5cfca7ac8 Mon Sep 17 00:00:00 2001
+From: Andrea Adami <andrea.adami@gmail.com>
+Date: Tue, 17 Apr 2018 13:48:25 +0200
+Subject: [PATCH] fs2dt.c: work around missing getline()
+
+This simple case can be rewrtten with fgets()
+
+Fix
+
+ fs2dt.c: In function 'dt_copy_old_root_param':
+ fs2dt.c:541:6: warning: implicit declaration of function 'getline'
+
+Upstream-Status: Inappropriate [klibc specific]
+Signed-off-by: Andrea Adami <andrea.adami@gmail.com>
+
+---
+ kexec/fs2dt.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/kexec/fs2dt.c b/kexec/fs2dt.c
+index 07a5e2f..d635636 100644
+--- a/kexec/fs2dt.c
++++ b/kexec/fs2dt.c
+@@ -531,6 +531,9 @@ static void dt_copy_old_root_param(void)
+ 	char *last_cmdline = NULL;
+ 	char *p, *old_param;
+ 	size_t len = 0;
++#ifdef __KLIBC__
++	char buf[512];
++#endif
+ 
+ 	strcpy(filename, pathname);
+ 	strcat(filename, "bootargs");
+@@ -538,8 +541,13 @@ static void dt_copy_old_root_param(void)
+ 	if (!fp)
+ 		return;
+ 
++#ifndef __KLIBC__
+ 	if (getline(&last_cmdline, &len, fp) == -1)
+ 		die("unable to read %s\n", filename);
++#else
++	last_cmdline = fgets(buf, 200, fp);
++	last_cmdline[strlen(last_cmdline) - 1] = '\0';
++#endif
+ 
+ 	p = strstr(last_cmdline, "root=");
+ 	if (p) {