ft4222: added full support for PCA9555 read/write
ft4222: added full support for PCA9555 read/write

Signed-off-by: Mihai Tudor Panu <a27de6130c5d32f5817bf40bb8b348582f37a8af@intel.com>
Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>

g-vidal/mraa,spitfire88/mraa,w4ilun/mraa,sergev/mraa,arunlee77/mraa,jontrulson/mraa,KurtE/mraa,malikabhi05/mraa,KurtE/mraa,stefan-andritoiu/mraa-gpio-chardev,andreivasiliu2211/mraa,g-vidal/mraa,malikabhi05/mraa,arfoll/mraa,ProfFan/mraa,yongli3/mraa,ncrastanaren/mraa,w4ilun/mraa,arfoll/mraa,spitfire88/mraa,whbruce/mraa,arunlee77/mraa,ProfFan/mraa,malikabhi05/mraa,jontrulson/mraa,Jon-ICS/mraa,arfoll/mraa,ProfFan/mraa,yongli3/mraa,stefan-andritoiu/mraa,alext-mkrs/mraa,arfoll/mraa,spitfire88/mraa,yongli3/mraa,Hbrinj/mraa,spitfire88/mraa,arunlee77/mraa,intel-iot-devkit/mraa,petreeftime/mraa,alext-mkrs/mraa,petreeftime/mraa,intel-iot-devkit/mraa,Propanu/mraa,stefan-andritoiu/mraa,stefan-andritoiu/mraa-gpio-chardev,arfoll/mraa,stefan-andritoiu/mraa-gpio-chardev,Jon-ICS/mraa,jontrulson/mraa,stefan-andritoiu/mraa,sergev/mraa,ncrastanaren/mraa,KurtE/mraa,whbruce/mraa,Pillar1989/mraa,malikabhi05/mraa,Jon-ICS/mraa,Hbrinj/mraa,Propanu/mraa,KurtE/mraa,andreivasiliu2211/mraa,Pillar1989/mraa,g-vidal/mraa,intel-iot-devkit/mraa,petreeftime/mraa,arunlee77/mraa,ProfFan/mraa,Propanu/mraa,Propanu/mraa,jontrulson/mraa,petreeftime/mraa,g-vidal/mraa,Hbrinj/mraa,Pillar1989/mraa,stefan-andritoiu/mraa-gpio-chardev,alext-mkrs/mraa,malikabhi05/mraa,stefan-andritoiu/mraa-gpio-chardev,ncrastanaren/mraa,alext-mkrs/mraa,whbruce/mraa,KurtE/mraa,sergev/mraa,andreivasiliu2211/mraa,sergev/mraa,Propanu/mraa,andreivasiliu2211/mraa,g-vidal/mraa,w4ilun/mraa,whbruce/mraa,jontrulson/mraa,yongli3/mraa,stefan-andritoiu/mraa,sergev/mraa,ncrastanaren/mraa,intel-iot-devkit/mraa,stefan-andritoiu/mraa,alext-mkrs/mraa,intel-iot-devkit/mraa,w4ilun/mraa,yongli3/mraa,Hbrinj/mraa,ncrastanaren/mraa