[M] Change in coreboot[master]: amdfwtool: Change .rom.efs to .rom and .rom to .rom.body

[Bao Zheng (Code Review)]

Attention is currently required from: Jason Glenesk, Raul Rangel, Matt DeVillier, Zheng Bao, Fred Reitberger, Felix Held.

Bao Zheng has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/72702 )

Change subject: amdfwtool: Change .rom.efs to .rom and .rom to .rom.body
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Patch Set 1:

(2 comments)

File util/amdfwtool/amdfwtool.c:

https://review.coreboot.org/c/coreboot/+/72702/comment/abcd63cc_511b70a8 
PS1, Line 114: 
Keep the empty line.

https://review.coreboot.org/c/coreboot/+/72702/comment/356f0fc9_c74df404 
PS1, Line 2697: 		bytes = write_efs(output, amd_romsig);
              : 		if (bytes != sizeof(*amd_romsig)) {
              : 			fprintf(stderr, "Error: Writing EFS\n");
              : 			retval = 1;
              : 		}
check the return value.