Add fwu deployment configuration for SP

Extends fwu deployment with a configuration for running the
update agent within an SP. To support FVP/Qemu based testing,
secure flash is implemented using a file residing on the host
PC, accessed using semihosting.

Signed-off-by: Julian Hall <julian.hall@arm.com>
Change-Id: I216db494129d32822cb8e2011b0924fa1cc4e978
diff --git a/deployments/fwu/config/default-sp/default_fwu.dts.in b/deployments/fwu/config/default-sp/default_fwu.dts.in
new file mode 100644
index 0000000..dabba0b
--- /dev/null
+++ b/deployments/fwu/config/default-sp/default_fwu.dts.in
@@ -0,0 +1,19 @@
+/*
+ * Copyright (c) 2023, Arm Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+@DTS_TAG@
+
+@DTS_NODE@ {
+	compatible = "arm,ffa-manifest-1.0";
+	ffa-version = <0x00010000>; /* 31:16 - Major, 15:0 - Minor */
+	uuid = <@EXPORT_SP_UUID_DT@>;
+	description = "FWU";
+	execution-ctx-count = <1>;
+	exception-level = <1>; /* S-EL0 */
+	execution-state = <0>; /* AArch64 */
+	xlat-granule = <0>; /* 4KiB */
+	messaging-method = <3>; /* Direct messaging only */
+};