Add kalimba as a platform.
This change comprises of additions and some minor changes in order that
"kalimba" is listed as a supported platform and that debugging any
kalimbas results in PlatformKalimba being associated with the target.
The changes are as follows:
- The PlatformKalimba implementation itself
- A tweak to ArchSpec
- .note parsing for Kalimba in ObjectFileELF.cpp
- Plugin registration
- Makefile additions
Change by Matthew Gardiner
Minor tweak for cmake and Xcode by Todd Fiala
Ubuntu 14.04 x86_64, clang 3.5-built lldb, all tests pass.
MacOSX 10.9.4, Xcode 6.0 Beta 1-built lldb, all tests pass.