new file mode 100644
@@ -0,0 +1,36 @@
+From 34263d1ea99da7b8a680a80601a73149bc9530e5 Mon Sep 17 00:00:00 2001
+From: Emekcan Aras <emekcan.aras@arm.com>
+Date: Fri, 21 Apr 2023 15:17:21 +0100
+Subject: [PATCH] Platform: corstone1000: Increase number of assets
+
+As Corstone1000 stores at boot time few efi variables.
+Therefore, number of assets is increased to compansate this early usage.
+
+Upstream-Status: Submitted [https://review.trustedfirmware.org/c/TF-M/trusted-firmware-m/+/20656]
+Signed-off-by: Mohamed Omar Asaker <mohamed.omarasaker@arm.com>
+Signed-off-by: Emekcan Aras <emekcan.aras@arm.com>
+Change-Id: Id8555a09335ce13b80c07a33c4d913f5cb0f9084
+---
+ platform/ext/target/arm/corstone1000/config_tfm_target.h | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/platform/ext/target/arm/corstone1000/config_tfm_target.h b/platform/ext/target/arm/corstone1000/config_tfm_target.h
+index bf8d2f95f..e96836663 100644
+--- a/platform/ext/target/arm/corstone1000/config_tfm_target.h
++++ b/platform/ext/target/arm/corstone1000/config_tfm_target.h
+@@ -16,4 +16,12 @@
+ #undef PLATFORM_SERVICE_OUTPUT_BUFFER_SIZE
+ #define PLATFORM_SERVICE_OUTPUT_BUFFER_SIZE 256
+
++/* The maximum number of assets to be stored in the Internal Trusted Storage. */
++#undef ITS_NUM_ASSETS
++#define ITS_NUM_ASSETS 20
++
++/* The maximum number of assets to be stored in the Protected Storage area. */
++#undef PS_NUM_ASSETS
++#define PS_NUM_ASSETS 20
++
+ #endif /* __CONFIG_TFM_TARGET_H__ */
+--
+2.17.1
+
@@ -47,6 +47,7 @@ SRC_URI:append:corstone1000 = " \
file://0009-Platform-corstone1000-fix-flash-reading-issue-for-fi.patch \
file://0010-Platform-corstone1000-Adds-compiler-flags-to-FWU-age.patch \
file://0011-Platform-corstone1000-adjust-PS-asset-configuration.patch \
+ file://0012-Platform-corstone1000-Increase-number-of-assets.patch \
file://corstone1000/rwx.patch \
"