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-yocto-bsp/conf/machine/beaglebone-yocto.conf b/poky/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf
index e911e75..70d3cfe 100644
--- a/poky/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf
+++ b/poky/meta-yocto-bsp/conf/machine/beaglebone-yocto.conf
@@ -20,10 +20,11 @@
 IMAGE_INSTALL_append = " kernel-devicetree kernel-image-zimage"
 do_image_wic[depends] += "mtools-native:do_populate_sysroot dosfstools-native:do_populate_sysroot"
 
-SERIAL_CONSOLES = "115200;ttyO0"
+SERIAL_CONSOLES ?= "115200;ttyS0 115200;ttyO0"
+SERIAL_CONSOLES_CHECK = "${SERIAL_CONSOLES}"
 
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-yocto"
-PREFERRED_VERSION_linux-yocto ?= "4.18%"
+PREFERRED_VERSION_linux-yocto ?= "5.0%"
 
 KERNEL_IMAGETYPE = "zImage"
 KERNEL_DEVICETREE = "am335x-bone.dtb am335x-boneblack.dtb am335x-bonegreen.dtb"