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/meta-raspberrypi/recipes-bsp/common/firmware.inc b/meta-raspberrypi/recipes-bsp/common/firmware.inc
index 37cd343..d19525f 100644
--- a/meta-raspberrypi/recipes-bsp/common/firmware.inc
+++ b/meta-raspberrypi/recipes-bsp/common/firmware.inc
@@ -1,11 +1,10 @@
-RPIFW_DATE ?= "20190212"
-SRCREV ?= "83977fe3b6ef54c1d29c83b0a778d330f523441f"
+RPIFW_DATE ?= "20190220"
+SRCREV ?= "ebf7b40cdc6effe7ffa3fd5195e8be01b94f80da"
 RPIFW_SRC_URI ?= "https://github.com/raspberrypi/firmware/archive/${SRCREV}.tar.gz"
 RPIFW_S ?= "${WORKDIR}/firmware-${SRCREV}"
 
 SRC_URI = "${RPIFW_SRC_URI}"
-SRC_URI[md5sum] = "5ccdb5447cbdd3ee0158a514f7b76cb9"
-SRC_URI[sha256sum] = "9a34ccc4a51695a33206cc6c8534f615ba5a30fcbce5fa3add400ecc6b80ad8a"
-
+SRC_URI[md5sum] = "611077d343e3802496dd99118ca4e977"
+SRC_URI[sha256sum] = "e911f6342ea8aa9380cae97c6f5ac4ddd370527265f23d5b5d4b2c6f679d4ba8"
 
 PV = "${RPIFW_DATE}"