qemu_v8: add missing remote "tfo"

Add missing remote "tfo", from which `repo` will try to fetch newly
added Trusted Services project. This resolves the following error
that occurred when trying to `repo sync`.

fatal: remote tfo not defined in /home/optee/qemu-optee/.repo/manifest.xml

Signed-off-by: Seonghyun Park <shp4rk@gmail.com>
Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Acked-by: Jens Wiklander <jens.wiklander@linaro.org>
diff --git a/qemu_v8.xml b/qemu_v8.xml
index d4ada63..91f62e8 100644
--- a/qemu_v8.xml
+++ b/qemu_v8.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <manifest>
+        <remote name="tfo"    fetch="https://git.trustedfirmware.org" />
         <remote name="u-boot"   fetch="https://source.denx.de/u-boot" />
         <remote name="xenbits"  fetch="https://xenbits.xen.org/" />
         <remote name="arm-gitlab"       fetch="https://git.gitlab.arm.com/" />