[NUCLEO_L152RE] Update rtc_free()
[NUCLEO_F030R8] Update xxx_free() functions + typo
[NUCLEO_F302R8] Update xxx_free() functions + typo
Merge pull request #331 from bcostm/master

[NUCLEO_xxx] Update xxx_free() functions + typo
[NUCLEO_L053R8] Fix issue with file upper case file name

+ code cleanup
[NRF51822] analog read - set channel
Merge pull request #332 from bcostm/master

[NUCLEO_L053R8] Fix issue with upper case file name
Merge pull request #333 from 0xc0170/dev_nrf51_adc_read

[NRF51822] analog read - set channel
Added IAR exporter support for UBLOX_C027