mcpwm_capture_timer_disable() function

- ESP_OK: Disable MCPWM capture timer successfully - ESP_ERR_INVALID_ARG: Disable MCPWM capture timer failed because of invalid argument - ESP_ERR_INVALID_STATE: Disable MCPWM capture timer failed because timer is disabled already - ESP_FAIL: Disable MCPWM capture timer failed because of other error