Sync tf_config files with internal CI

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: I064f4f252fe7d3770719dee040feb96ea180a9bb
diff --git a/tf_config/qemu-gicv3 b/tf_config/qemu-gicv3
new file mode 100644
index 0000000..45165a4
--- /dev/null
+++ b/tf_config/qemu-gicv3
@@ -0,0 +1,3 @@
+CROSS_COMPILE=aarch64-none-elf-
+PLAT=qemu
+QEMU_USE_GIC_DRIVER=QEMU_GICV3