Change in coreboot[master]: util/crossgcc: Update to GCC 11.3

[Paul Menzel (Code Review)]

Attention is currently required from: Felix Singer, Martin L Roth, Elyes Haouas.
Paul Menzel has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/63807 )

Change subject: util/crossgcc: Update to GCC 11.3
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Patch Set 1: Code-Review+1

(2 comments)

Commit Message:

https://review.coreboot.org/c/coreboot/+/63807/comment/1c1b1809_10a14e3b 
PS1, Line 11: important
> Fix line length

(It was changed from 75 to 72 a while back.)

https://review.coreboot.org/c/coreboot/+/63807/comment/543df2db_54108fb8 
PS1, Line 17: 
Did you test it with one boards (QEMU for example)?

Off-topic: Some scripts to compare sizes and assembler/binary changes with a compiler update would be nice. Maybe some GSOC project?