[OS] - Compile bugfix with cortex-m
[OS] - Added bt_sprintf function
[OS] - Added Callback to timer interface
[OS] - Added QEI and MCPM interfaces
[MACH] - Modified uart drivers to use file interface
[MACH] LPC17xx - Added SetPeripheralClock function
[MACH] LPCxx - Bugfix in adc driver and port definition
[MACH] LPC17xx - several bugfixes to harware drivers
[MACH] LPC17xx - Added QEI and MCPWM drivers