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-openembedded/meta-multimedia/recipes-multimedia/webrtc-audio-processing/webrtc-audio-processing_0.3.bb b/meta-openembedded/meta-multimedia/recipes-multimedia/webrtc-audio-processing/webrtc-audio-processing_0.3.bb
index 2b0f7c6..dbba2f4 100644
--- a/meta-openembedded/meta-multimedia/recipes-multimedia/webrtc-audio-processing/webrtc-audio-processing_0.3.bb
+++ b/meta-openembedded/meta-multimedia/recipes-multimedia/webrtc-audio-processing/webrtc-audio-processing_0.3.bb
@@ -19,6 +19,7 @@
            file://0004-typedefs.h-add-support-for-64-bit-and-big-endian-MIP.patch \
            file://0005-typedefs.h-add-support-for-PowerPC.patch \
            file://0006-common_audio-implement-endianness-conversion-in-wav-.patch \
+           file://riscv_support.patch \
 "
 
 SRC_URI[md5sum] = "336ae032f608e65808ac577cde0ab72c"