qemu: bump to version 3.0.0

Also switch to domain download.qemu.org and .xz files

Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>

utils/qemu/Makefile

@@ -9,11 +9,11 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=qemu
-PKG_VERSION:=2.12.1
+PKG_VERSION:=3.0.0
 PKG_RELEASE:=1
-PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.bz2
-PKG_HASH:=4150809a52d821398dfd38c94b065513ef26b393fda9aba4bb6f09644cf1e5ca
-PKG_SOURCE_URL:=http://wiki.qemu-project.org/download/
+PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
+PKG_HASH:=8d7af64fe8bd5ea5c3bdf17131a8b858491bcce1ee3839425a6d91fb821b5713
+PKG_SOURCE_URL:=http://download.qemu.org/
 PKG_LICENSE:=GPL-2.0
 PKG_LICENSE_FILES:=LICENSE tcg/LICENSE
 PKG_MAINTAINER:=Yousong Zhou <yszhou4tech@gmail.com>