build(qemu): add sdei build with gicv3 support for qemu

Signed-off-by: Jayanth Dodderi Chidanand <jayanthdodderi.chidanand@arm.com>
Change-Id: I75bc76d2af471b865f9e6add139918a598a624e7
diff --git a/group/tf-l1-build-plat/qemu-gicv3-sdei:nil b/group/tf-l1-build-plat/qemu-gicv3-sdei:nil
new file mode 100644
index 0000000..b452bbf
--- /dev/null
+++ b/group/tf-l1-build-plat/qemu-gicv3-sdei:nil
@@ -0,0 +1,5 @@
+#
+# Copyright (c) 2023 Arm Limited. All rights reserved.
+#
+# SPDX-License-Identifier: BSD-3-Clause
+#