[KLXX] Added RPC + RTOS support
[NUCLEO_L152RE] Update xxx_free() functions + typo
[NUCLEO_F401RE] Update xxx_free() functions + typo
[NUCLEO_F103RB] Update rtc + serial
[NUCLEO_L152RE] Update rtc_free()
[NUCLEO_F030R8] Update xxx_free() functions + typo
[NUCLEO_F302R8] Update xxx_free() functions + typo
[NUCLEO_L053R8] Fix issue with file upper case file name

+ code cleanup
[NRF51822] analog read - set channel
Added IAR exporter support for UBLOX_C027
Added XADOW_M0 and ARCH_BLE targets
Update links in Readme.md

Link to FRDM-K64F page, add Nucleo-F302R8, LPC800-MAX, DipCortex-M0, DipCortex-M3, BlueBoard-LPC11U24, link to mbed Platforms page at top of "Supported Microcontrollers and Boards" section.
[NUCLEO_F072RB] Update CubeF0 HAL driver
Added multiple toolchain and MCU declarations for options -t and -m respectively. Names must be divided by comma.
Reduced RPC test scope to LPC1768 for now