build: add build config for AMD platform

Add build configuration for AMD Versal platform to tftf.
The default configuration builds for Versal tests(TESTS=versal),
which includes standard tests along with AMD specific tests cases.

Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
Change-Id: I7a5b7641569987ea4fff8264f1a00e92e509a7f6
diff --git a/group/tftf-l1-build/nil,versal-default:nil b/group/tftf-l1-build/nil,versal-default:nil
new file mode 100644
index 0000000..91c902a
--- /dev/null
+++ b/group/tftf-l1-build/nil,versal-default:nil
@@ -0,0 +1,6 @@
+/*
+ * Copyright (c) 2023, Advanced Micro Devices, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
diff --git a/tftf_config/versal-default b/tftf_config/versal-default
new file mode 100644
index 0000000..5552b7a
--- /dev/null
+++ b/tftf_config/versal-default
@@ -0,0 +1,3 @@
+CROSS_COMPILE=aarch64-none-elf-
+PLAT=versal
+TESTS=versal