From: Paul Eggleton <[email protected]>

Add a UBOOT_MKIMAGE_SIGN_ARGS variable to enable passing additional
options to uboot-mkimage when it is run the second time to perform
signing.

Signed-off-by: Paul Eggleton <[email protected]>
Signed-off-by: Richard Purdie <[email protected]>
(cherry picked from commit 8fd7ee7414b45a1feeef7982af3583475902a677)
Signed-off-by: Massimiliano Minella <[email protected]>
Signed-off-by: Steve Sakoman <[email protected]>
---
 meta/classes/kernel-fitimage.bbclass | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/meta/classes/kernel-fitimage.bbclass 
b/meta/classes/kernel-fitimage.bbclass
index 7c0d93625b..e0dd215167 100644
--- a/meta/classes/kernel-fitimage.bbclass
+++ b/meta/classes/kernel-fitimage.bbclass
@@ -59,6 +59,9 @@ FIT_SIGN_ALG ?= "rsa2048"
 # fitImage Padding Algo
 FIT_PAD_ALG ?= "pkcs-1.5"
 
+# Arguments passed to mkimage for signing
+UBOOT_MKIMAGE_SIGN_ARGS ?= ""
+
 #
 # Emit the fitImage ITS header
 #
@@ -479,7 +482,8 @@ fitimage_assemble() {
                        ${@'-D "${UBOOT_MKIMAGE_DTCOPTS}"' if 
len('${UBOOT_MKIMAGE_DTCOPTS}') else ''} \
                        -F -k "${UBOOT_SIGN_KEYDIR}" \
                        $add_key_to_u_boot \
-                       -r arch/${ARCH}/boot/${2}
+                       -r arch/${ARCH}/boot/${2} \
+                       ${UBOOT_MKIMAGE_SIGN_ARGS}
        fi
 }
 
-- 
2.25.1

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