Update cad/iverilog to version 0.9.7
Update x11-fonts/font-bh-100dpi to version 1.0.3_1
Update x11-fonts/font-bh-75dpi to version 1.0.3_1
Update x11-fonts/font-cronyx-cyrillic to version 1.0.3_1
Update x11-fonts/font-schumacher-misc to version 1.1.2_1
Update x11-fonts/font-jis-misc to version 1.0.3_1
Tweak audio/gmpc version 11.8.16_1,1