New FET v2 database extracted from MSP430.DLL.
elf32: fix size in call to memset.

Pointed out by Eric Decker <cire831@gmail.com>.
v3hil: fix DCO/FLL calibration.

Reply was being truncated and then we were sending the wrong buffer in
the memory write call.

Pointed out by Eric Decker <cire831@gmail.com>.
fet_db: updated and improved database.
preliminary support for ChibiOS RTOS, only lists threads
Merge branch 'rtos' of github.com:luckyluke/mspdebug into rtos