New port: emulators/simh-hp2100: HP 2100 series emulator

hp2100 is a simulator for the HP 2116/15/14, 2100, and 1000 M/E/F-Series
machines (hereafter referred collectively as the HP 2100 simulator). A
large variety of CPU options, device interface cards, and peripherals
are provided.

WWW: http://simh.trailing-edge.com/hp/

PR: 246237
Submitted by: Bob Eager <bob@eager.cx>