Enable Linux MIPS Support.

MIPS is a popular platform for embedded devices. This patch adds
an adds an address space to handle Linux MIPS dumps.

For host based testing. QEMU MIPS system emulation can be used to
run OpenWRT images compiled for the MIPS Malta target.
Fix default handling for Disassemble
Enable MIPS disassembler support via Capstone.
Add missing GPL header
Identify MIPS arch in profile conversion tool.