[M] Change in coreboot[main]: amdfwtool: Check fletcher of each header

[Bao Zheng (Code Review)]

Attention is currently required from: Felix Held, Julius Werner, Maximilian Brune, Paul Menzel, Zheng Bao.

Bao Zheng has posted comments on this change by Bao Zheng. ( https://review.coreboot.org/c/coreboot/+/84338?usp=email )

Change subject: amdfwtool: Check fletcher of each header
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Patch Set 6:

(3 comments)

File util/amdfwtool/amdfwtool.c:

https://review.coreboot.org/c/coreboot/+/84338/comment/24a3196f_0a9b7cb8?usp... :
PS5, Line 540: 	psp_directory_table *dir = directory;
> nit: […]

Done

https://review.coreboot.org/c/coreboot/+/84338/comment/cdee6d92_1cd0789a?usp... :
PS5, Line 544: 	uint32_t cookie = ((psp_directory_table *)directory)->header.cookie;
> Do you need the extra type conversion? Can't you just use the `dir` from above?

Done

https://review.coreboot.org/c/coreboot/+/84338/comment/8e6d6256_e8c58598?usp... :
PS5, Line 549: 	if (directory == NULL)
> You should probably do this check before dereferencing `directory` above

Done