Merge remote-tracking branch 'origin/pwm' into integration
Merge remote-tracking branch 'origin/pwm' into integration
Remomved a warning in pio_conf_pin_to_peripheral().
Small cleanup in pio.h
Added a manula test file for PWM API.
Merge remote-tracking branch 'origin/integration' into pwm
Commented and changed code in pwm_set_channel_frequency().
Removed doxygen documentation from pwm.c
Change the way comment were written for pwm_clk_setting.