cad/yosys: Update 0.60 => 0.61

Changelogs:

• https://github.com/YosysHQ/yosys/blob/main/CHANGELOG
• https://github.com/YosysHQ/yosys/compare/v0.60...v0.61

Approved by: yuri@ (maintainer, Mentor)
Differential Revision: https://reviews.freebsd.org/D54764