reset meta-xilinx subtree on master HEAD(874b9cee5e)

Change-Id: Ic0716e95ff53e7d63c54dc5fce6ee42fc99ed424
diff --git a/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/qemu-xilinx.inc b/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/qemu-xilinx.inc
index f4cdf31..d7b495b 100644
--- a/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/qemu-xilinx.inc
+++ b/meta-xilinx/meta-xilinx-bsp/recipes-devtools/qemu/qemu-xilinx.inc
@@ -11,8 +11,8 @@
 DEPENDS = "glib-2.0 zlib pixman"
 
 XILINX_QEMU_VERSION ?= "v4.1.50"
-BRANCH ?= "branch/xilinx-v2020.1"
-SRCREV ?= "e371d99ac19b9c4f3f98e6e6a3db1ea95091a50e"
+BRANCH ?= "master"
+SRCREV ?= "${AUTOREV}"
 
 FILESEXTRAPATHS_prepend := "${THISDIR}/files:"