doc: seama: Reword return value section
With the addition of general text about how the return value is handled, reference that while retaining the additional information about setting $seama_image_size Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de> Signed-off-by: Tom Rini <trini@konsulko.com>
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@@ -56,8 +56,5 @@ The command is available if CONFIG_CMD_SEAMA=y.
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Return value
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------------
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The return value $? is set 0 (true) if the loading is succefull, and
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is set to 1 (false) in case of error.
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The environment variable $seama_image_size is set to the size of the
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loaded SEAMA image.
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Along with the general rules for setting $?, the environment variable
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$seama_image_size is set to the size of the loaded SEAMA image.
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