mlx90614: set i2c bus speed to 100 kHz on init to match sensor specs
mlx90614: set i2c bus speed to 100 kHz on init to match sensor specs

Signed-off-by: Mihai Tudor Panu <a27de6130c5d32f5817bf40bb8b348582f37a8af@intel.com>

intel-iot-devkit/upm,jontrulson/upm,jontrulson/upm,spitfire88/upm,pylbert/upm,malikabhi05/upm,sasmita/upm,sasmita/upm,stefan-andritoiu/upm,whbruce/upm,spitfire88/upm,Jon-ICS/upm,pylbert/upm,Propanu/upm,nitirohilla/upm,Propanu/upm,intel-iot-devkit/upm,skiselev/upm,jontrulson/upm,Propanu/upm,Jon-ICS/upm,Jon-ICS/upm,intel-iot-devkit/upm,skiselev/upm,pylbert/upm,pylbert/upm,jontrulson/upm,nitirohilla/upm,intel-iot-devkit/upm,malikabhi05/upm,malikabhi05/upm,stefan-andritoiu/upm,g-vidal/upm,g-vidal/upm,stefan-andritoiu/upm,intel-iot-devkit/upm,spitfire88/upm,andreivasiliu2211/upm,Jon-ICS/upm,intel-iot-devkit/upm,Jon-ICS/upm,g-vidal/upm,g-vidal/upm,pylbert/upm,andreivasiliu2211/upm,skiselev/upm,malikabhi05/upm,stefan-andritoiu/upm,stefan-andritoiu/upm,spitfire88/upm,skiselev/upm,malikabhi05/upm,nitirohilla/upm,jontrulson/upm,malikabhi05/upm,whbruce/upm,Propanu/upm,pylbert/upm,sasmita/upm,stefan-andritoiu/upm,nitirohilla/upm,nitirohilla/upm,g-vidal/upm,whbruce/upm,g-vidal/upm,spitfire88/upm,skiselev/upm,andreivasiliu2211/upm,Propanu/upm,whbruce/upm,andreivasiliu2211/upm,Propanu/upm,sasmita/upm,andreivasiliu2211/upm,whbruce/upm,sasmita/upm,skiselev/upm