This new option (-f) allows us to create a signature file (*.p7s) for
firmware binary.

Signed-off-by: AKASHI Takahiro <takahiro.aka...@linaro.org>
Cc: Luis R. Rodriguez <mcg...@suse.com>
---
 scripts/sign-file.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/scripts/sign-file.c b/scripts/sign-file.c
index fbd34b8e8f57..211f6531fd7e 100644
--- a/scripts/sign-file.c
+++ b/scripts/sign-file.c
@@ -242,8 +242,11 @@ int main(int argc, char **argv)
 #endif
 
        do {
-               opt = getopt(argc, argv, "sdpk");
+               opt = getopt(argc, argv, "fsdpk");
                switch (opt) {
+               case 'f':
+                         use_signed_attrs = 0;
+                         sign_only = true; save_sig = true; break;
                case 's': raw_sig = true; break;
                case 'p': save_sig = true; break;
                case 'd': sign_only = true; save_sig = true; break;
-- 
2.11.1

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