drivers/hts221: adapt the i2c api return codes
drivers/hts221: adapt the i2c api return codes

A-Paul/RIOT,kaspar030/RIOT,biboc/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,ant9000/RIOT,basilfx/RIOT,avmelnikoff/RIOT,yogo1212/RIOT,jasonatran/RIOT,lazytech-org/RIOT,RIOT-OS/RIOT,gebart/RIOT,jasonatran/RIOT,mfrey/RIOT,gebart/RIOT,authmillenon/RIOT,OTAkeys/RIOT,smlng/RIOT,x3ro/RIOT,aeneby/RIOT,basilfx/RIOT,x3ro/RIOT,smlng/RIOT,mtausig/RIOT,toonst/RIOT,BytesGalore/RIOT,miri64/RIOT,kbumsik/RIOT,rfuentess/RIOT,josephnoir/RIOT,gebart/RIOT,authmillenon/RIOT,BytesGalore/RIOT,toonst/RIOT,josephnoir/RIOT,ant9000/RIOT,biboc/RIOT,x3ro/RIOT,josephnoir/RIOT,OlegHahm/RIOT,biboc/RIOT,avmelnikoff/RIOT,gebart/RIOT,ant9000/RIOT,biboc/RIOT,OlegHahm/RIOT,toonst/RIOT,rfuentess/RIOT,josephnoir/RIOT,yogo1212/RIOT,jasonatran/RIOT,mfrey/RIOT,rfuentess/RIOT,ant9000/RIOT,rfuentess/RIOT,basilfx/RIOT,kYc0o/RIOT,mtausig/RIOT,lazytech-org/RIOT,mfrey/RIOT,OlegHahm/RIOT,aeneby/RIOT,cladmi/RIOT,yogo1212/RIOT,OTAkeys/RIOT,OTAkeys/RIOT,josephnoir/RIOT,kbumsik/RIOT,BytesGalore/RIOT,lazytech-org/RIOT,aeneby/RIOT,kaspar030/RIOT,BytesGalore/RIOT,A-Paul/RIOT,lazytech-org/RIOT,kYc0o/RIOT,cladmi/RIOT,RIOT-OS/RIOT,yogo1212/RIOT,cladmi/RIOT,authmillenon/RIOT,authmillenon/RIOT,aeneby/RIOT,mfrey/RIOT,kbumsik/RIOT,kbumsik/RIOT,ant9000/RIOT,toonst/RIOT,gebart/RIOT,A-Paul/RIOT,cladmi/RIOT,authmillenon/RIOT,basilfx/RIOT,RIOT-OS/RIOT,miri64/RIOT,RIOT-OS/RIOT,avmelnikoff/RIOT,aeneby/RIOT,lazytech-org/RIOT,jasonatran/RIOT,mtausig/RIOT,yogo1212/RIOT,smlng/RIOT,x3ro/RIOT,smlng/RIOT,mtausig/RIOT,kaspar030/RIOT,A-Paul/RIOT,x3ro/RIOT,OlegHahm/RIOT,OTAkeys/RIOT,biboc/RIOT,smlng/RIOT,kaspar030/RIOT,rfuentess/RIOT,kYc0o/RIOT,authmillenon/RIOT,kbumsik/RIOT,kYc0o/RIOT,miri64/RIOT,BytesGalore/RIOT,OTAkeys/RIOT,mtausig/RIOT,A-Paul/RIOT,mfrey/RIOT,kaspar030/RIOT,basilfx/RIOT,toonst/RIOT,cladmi/RIOT,OlegHahm/RIOT,avmelnikoff/RIOT,miri64/RIOT,jasonatran/RIOT,kYc0o/RIOT,avmelnikoff/RIOT,miri64/RIOT