SPM: Define Ivy partition manifest

Define the partition properties for Ivy and add the Ivy
partition to the default generated sp layout JSON.

Signed-off-by: Ruari Phipps <ruari.phipps@arm.com>
Change-Id: Ic7a1269890c32c587c86cc59917a7e045aaa52e8
diff --git a/tools/generate_json/generate_json.sh b/tools/generate_json/generate_json.sh
index f46cf15..30d901e 100755
--- a/tools/generate_json/generate_json.sh
+++ b/tools/generate_json/generate_json.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 #
-# Copyright (c) 2020, Arm Limited. All rights reserved.
+# Copyright (c) 2020-2021, Arm Limited. All rights reserved.
 #
 # SPDX-License-Identifier: BSD-3-Clause
 #
@@ -29,6 +29,9 @@
 	\t\"owner\": \"Plat\"\n\t},\n\n\t\"$1-tertiary\" : {\n \
 	\t\"image\": \"$1.bin\",\n \
 	\t\"pm\": \"$1-tertiary.dts\" \n \
+	},\n\n\t\"ivy\" : {\n \
+	\t\"image\": \"ivy.bin\",\n \
+	\t\"pm\": \"ivy.dts\" \n \
 	}\n}" \
 	> "$GENERATED_JSON"
 else