Added I2C init code

Signed-off-by: Dimitar Marinov <dimitar.m.marinov@abv.bg>
Added all code for DAC and message playing. Not called though

Signed-off-by: = <=>
Voice message called 1 time at start

Signed-off-by: = <=>
Aded some code fro
 SPI

Signed-off-by: Dimitar Marinov <dimitar.m.marinov@abv.bg>