Support the movt instruction
Add support for push/pop register list.
Sync bcm53xx support to HEAD.
pullup pmap changes from HEAD
Sync with HEAD
Pull rev 1.104 from HEAD:
Don't define __BIT/__BITS if __ASSEMBLER__ is defined.
(since they use C syntax they won't work anyways).
Pullup rev 1.19:
date: 2013/01/23 22:34:37;  author: matt;  state: Exp;  lines: +2 -2
Add strnlen.c to SRCS (which will automatically use the .S version if it
exists).
Disable UVMHIST
Sync with HEAD
Fix typo.
Sync with HEAD.