reset upstream subtrees to HEAD

Reset the following subtrees on HEAD:
  poky: 8217b477a1(master)
  meta-xilinx: 64aa3d35ae(master)
  meta-openembedded: 0435c9e193(master)
  meta-raspberrypi: 490a4441ac(master)
  meta-security: cb6d1c85ee(master)

Squashed patches:
  meta-phosphor: drop systemd 239 patches
  meta-phosphor: mrw-api: use correct install path

Change-Id: I268e2646d9174ad305630c6bbd3fbc1a6105f43d
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/poky/meta/recipes-extended/cups/cups.inc b/poky/meta/recipes-extended/cups/cups.inc
index c142a4d..5010f08 100644
--- a/poky/meta/recipes-extended/cups/cups.inc
+++ b/poky/meta/recipes-extended/cups/cups.inc
@@ -29,7 +29,7 @@
                    ${@bb.utils.filter('DISTRO_FEATURES', 'pam systemd', d)}"
 PACKAGECONFIG[avahi] = "--enable-avahi,--disable-avahi,avahi"
 PACKAGECONFIG[acl] = "--enable-acl,--disable-acl,acl"
-PACKAGECONFIG[pam] = "--enable-pam, --disable-pam, libpam"
+PACKAGECONFIG[pam] = "--enable-pam --with-pam-module=unix, --disable-pam, libpam"
 PACKAGECONFIG[systemd] = "--with-systemd=${systemd_system_unitdir},--without-systemd,systemd"
 PACKAGECONFIG[xinetd] = "--with-xinetd=${sysconfdir}/xinetd.d,--without-xinetd,xinetd"