NUCLEO_F103RB: Add I2C master api
[NUCLEO_F103RB] Timer fixes

- the timer data structures were not properly initialized
- changed slave timer mode to external clock 1 (section 15.3.15 of the manual)
- avoid a possible race condition when concatenating the values of the
  two 16-bit timers
[NUCLEO_F103RB] Serial interrupt fixes

- use TC flag instead of TXE for TX interrupt
- clear interrupt flags to prevent possible interrupt storm
[NUCLEO_F103RB] Test porting

Ported GPIO and UART tests, verified as working.
Changed name of LPC4088 cmdline hook function

For compatibility with the on-line build system
Merge pull request #120 from arebert/lpc4088

[LPC4088]: Networking was broking when splitting peripheral RAM into two...
Added KL46Z and NUCLEO_F103RB to the official SDK build
adding support for serial port
typo
only use one port with CDMA at the moment.
Merge branch 'master' of https://github.com/mbedmicro/mbed
- add support for MultiPort Serial Devices
- allow to configure the debug level of the USB stack
fixed the comparison
Merge branch 'master' of https://github.com/mbedmicro/mbed
[NUCLEO_F103RB] Align startup files with other targets
Merge branch 'master' of https://github.com/mbedmicro/mbed
CDMA currently only uses one CDC
[NUCLEO_F103RB] Code cleanup
exporters for KL46Z (ARM GCC, uVision)
Merge pull request #122 from 0xc0170/dev_kl46z_exporters

exporters for KL46Z (ARM GCC, uVision)