Update buidlroot to version 2016.08.1

bsp/buildroot/package/qemu/Config.in.host

@@ -1,8 +1,7 @@
 config BR2_PACKAGE_HOST_QEMU
 	bool "host qemu"
-	# So far, we only build the user mode emulation, so this list
-	# of architecture dependencies only takes into account this
-	# emulation mode.
+	select BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE \
+	       if !BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE
 	depends on BR2_arm       || BR2_armeb       || BR2_aarch64      || \
 		BR2_i386         || BR2_m68k        || BR2_microblazeel || \
 		BR2_microblazebe || BR2_mips        || BR2_mipsel       || \
@@ -12,6 +11,31 @@ config BR2_PACKAGE_HOST_QEMU
 	help
 	  QEMU is a generic and open source machine emulator and virtualizer.
 
-	  This option builds a user emulator for your selected architecture.
+	  This option builds an emulator for your selected architecture.
 
 	  http://www.qemu.org
+
+if BR2_PACKAGE_HOST_QEMU
+
+comment "Emulators selection"
+
+config BR2_PACKAGE_HOST_QEMU_SYSTEM_MODE
+	bool "Enable system emulation"
+	help
+	  Enables the build of the system emulator, which allows to
+	  boot an entire system in Qemu.
+
+config BR2_PACKAGE_HOST_QEMU_LINUX_USER_MODE
+	bool "Enable Linux user-land emulation"
+	help
+	  Enables the build of the user-land emulator, which allows to
+	  run user-space applications.
+
+config BR2_PACKAGE_HOST_QEMU_VDE2
+	bool "VDE2 support"
+	help
+	  Enables VDE2 support. VDE2 stands for Virtual Distributed
+	  Ethernet and can be used to create virtual switches to
+	  "plug" both physical and virtual machines in them.
+
+endif