[S] Change in coreboot[main]: arch/arm64/arch_timer: Fix possible overflow in multiplication

[Arthur Heymans (Code Review)]

Attention is currently required from: Julius Werner, Yidi Lin, Yu-Ping Wu.

Arthur Heymans has posted comments on this change. ( https://review.coreboot.org/c/coreboot/+/78800?usp=email )

Change subject: arch/arm64/arch_timer: Fix possible overflow in multiplication
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Patch Set 2: Code-Review+1

(1 comment)

Commit Message:

https://review.coreboot.org/c/coreboot/+/78800/comment/37f88cbf_66e493a3 :
PS2, Line 9: The value from raw_read_cntfrq_el0() could be large enough to cause
           : overflow when multiplied by 1000000. To prevent this, both 1000000 and
           : tfreq can be reduced by dividing them by their GCD.
I think it's worth adding this as a comment to the code.