i2cslave.cxx: add undefined method stub that stopped swig working
i2cslave.cxx: add undefined method stub that stopped swig working

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

pctj101/mraa,timrtoo/Intel,arfoll/mraa,alexandru-elisei/mraa,yangjae/mraa,ncrastanaren/mraa,pctj101/mraa,alext-mkrs/mraa,STANAPO/mraa,neuberfran/mraa,arfoll/mraa,alexandru-elisei/mraa,alex1818/mraa,Propanu/mraa,yongli3/mraa,arfoll/mraa,jontrulson/mraa,petreeftime/mraa,KurtE/mraa,neuberfran/mraa,spitfire88/mraa,whbruce/mraa,Jon-ICS/mraa,Hbrinj/mraa,intel-iot-devkit/mraa,nioinnovation/mraa,Hbrinj/mraa,arunlee77/mraa,stefan-andritoiu/mraa,damcclos/mraa,KurtE/mraa,malikabhi05/mraa,spitfire88/mraa,zBMNForks/mraa,matt-auld/mraa,g-vidal/mraa,alexandru-elisei/mraa,whbruce/mraa,andreivasiliu2211/mraa,yangjae/mraa,andreivasiliu2211/mraa,andreivasiliu2211/mraa,Meirtz/mraa,g-vidal/mraa,Jon-ICS/mraa,noahchense/mraa,yoyojacky/mraa,spitfire88/mraa,Pillar1989/mraa,Meirtz/mraa,petreeftime/mraa,Kiritoalex/mraa,arfoll/mraa,alex1818/mraa,timrtoo/Intel,alext-mkrs/mraa,g-vidal/mraa,yongli3/mraa,mircea/mraa,sergev/mraa,yoyojacky/mraa,jontrulson/mraa,malikabhi05/mraa,mircea/mraa,STANAPO/mraa,allela-roy/mraa,arfoll/mraa,neuberfran/mraa,damcclos/mraa,pctj101/mraa,malikabhi05/mraa,yongli3/mraa,tripzero/mraa,stefan-andritoiu/mraa-gpio-chardev,stefan-andritoiu/mraa,ProfFan/mraa,petreeftime/mraa,timrtoo/Intel,alexandru-elisei/mraa,w4ilun/mraa,stefan-andritoiu/mraa,KurtE/mraa,sundw2014/mraa,seem-sky/mraa,w4ilun/mraa,Meirtz/mraa,neuroidss/mraa,whbruce/mraa,timrtoo/Intel,anonymouse64/mraa,ProfFan/mraa,g-vidal/mraa,neuberfran/mraa,STANAPO/mraa,sergev/mraa,jontrulson/mraa,matt-auld/mraa,Propanu/mraa,arunlee77/mraa,seem-sky/mraa,stefan-andritoiu/mraa-gpio-chardev,SyrianSpock/mraa,jontrulson/mraa,noahchense/mraa,stefan-andritoiu/mraa,Hbrinj/mraa,noahchense/mraa,intel-iot-devkit/mraa,malikabhi05/mraa,Jon-ICS/mraa,sundw2014/mraa,Kiritoalex/mraa,seem-sky/mraa,sergev/mraa,SyrianSpock/mraa,sergev/mraa,yoyojacky/mraa,allela-roy/mraa,Propanu/mraa,spitfire88/mraa,sundw2014/mraa,malikabhi05/mraa,Pillar1989/mraa,andreivasiliu2211/mraa,alext-mkrs/mraa,KurtE/mraa,nioinnovation/mraa,seem-sky/mraa,Hbrinj/mraa,g-vidal/mraa,anonymouse64/mraa,stefan-andritoiu/mraa-gpio-chardev,jontrulson/mraa,smileboywtu/mraa,pctj101/mraa,w4ilun/mraa,KurtE/mraa,intel-iot-devkit/mraa,yongli3/mraa,Propanu/mraa,ProfFan/mraa,intel-iot-devkit/mraa,smileboywtu/mraa,intel-iot-devkit/mraa,tripzero/mraa,yangjae/mraa,sergev/mraa,smileboywtu/mraa,w4ilun/mraa,whbruce/mraa,SyrianSpock/mraa,Pillar1989/mraa,petreeftime/mraa,allela-roy/mraa,matt-auld/mraa,seem-sky/mraa,alexandru-elisei/mraa,ncrastanaren/mraa,sundw2014/mraa,neuroidss/mraa,damcclos/mraa,ProfFan/mraa,noahchense/mraa,Kiritoalex/mraa,ncrastanaren/mraa,yangjae/mraa,stefan-andritoiu/mraa-gpio-chardev,tripzero/mraa,noahchense/mraa,sundw2014/mraa,alext-mkrs/mraa,zBMNForks/mraa,stefan-andritoiu/mraa-gpio-chardev,anonymouse64/mraa,neuroidss/mraa,stefan-andritoiu/mraa,alext-mkrs/mraa,nioinnovation/mraa,neuberfran/mraa,timrtoo/Intel,alex1818/mraa,ncrastanaren/mraa,pctj101/mraa,arunlee77/mraa,arunlee77/mraa,ncrastanaren/mraa,Propanu/mraa,zBMNForks/mraa,mircea/mraa,yongli3/mraa