si7005: fixed sensor description and added example link
si7005: fixed sensor description and added example link

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

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