cad/gspiceui: update 1.0.00 -> 1.1.00

• Remove RUN_DEPENDS on circuit simulators
• Support building with WX 3.0
• Update COMMENT and pkg-descr
• Update LICENSE to GPLv3
• Respect CFLAGS from ports infrastructure

PR: 202232
Submitted by: Kevin Zheng <kevinz5000@gmail.com> (maintainer)