Change in coreboot[master]: security/intel/txt/ramstage.c: Fix HEAP_ACM element size calculation

[Patrick Rudolph (Code Review)]

Attention is currently required from: Michał Żygowski.
Patrick Rudolph has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/59519 )

Change subject: security/intel/txt/ramstage.c: Fix HEAP_ACM element size calculation
......................................................................

Patch Set 2:

(2 comments)

File src/security/intel/txt/ramstage.c:

https://review.coreboot.org/c/coreboot/+/59519/comment/e164ddc3_c76da5f2 
PS2, Line 271: 	 * FIXME: these calculations handle the lack of SINIT ACM in CBFS.
maybe we can use 2 structs, one with NumAcms == 1 and one with NumAcms == 2. I don't think that there are any other cases.

https://review.coreboot.org/c/coreboot/+/59519/comment/ff8f3afa_359581f4 
PS2, Line 278: size
this will fix the HEAP_EXTDATA_TYPE_ACM size for case NumAcms == 1, but it then will not point to HEAP_EXTDATA_TYPE_END.