Added second DSPI channel (SPI3) to the Fubraino SD definition
Added second DSPI channel (SPI3) to the Fubraino SD definition


Former-commit-id: 12b160a5b613ce7431e0aacc275a82441a6e8638

ricklon/chipKIT-core,ricklon/chipKIT-core,adamwolf/chipKIT-core,pontech/chipKIT-core,UECIDE/chipKIT-core,EmbeddedMan/chipKIT-core,ricklon/chipKIT-core,EmbeddedMan/chipKIT-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,chipKIT32/chipkit-core,pontech/chipKIT-core,adamwolf/chipKIT-core,UECIDE/chipKIT-core,chipKIT32/chipkit-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,majenkotech/chipKIT-core,pontech/chipKIT-core,ricklon/chipKIT-core,majenkotech/chipKIT-core,majenkotech/chipKIT-core,adamwolf/chipKIT-core,pontech/chipKIT-core,majenkotech/chipKIT-core,majenkotech/chipKIT-core,chipKIT32/chipkit-core,EmbeddedMan/chipKIT-core,adamwolf/chipKIT-core,pontech/chipKIT-core,chipKIT32/chipkit-core,UECIDE/chipKIT-core,ricklon/chipKIT-core,pontech/chipKIT-core,majenkotech/chipKIT-core,UECIDE/chipKIT-core,EmbeddedMan/chipKIT-core,EmbeddedMan/chipKIT-core,pontech/chipKIT-core,ricklon/chipKIT-core,adamwolf/chipKIT-core,UECIDE/chipKIT-core,chipKIT32/chipkit-core,majenkotech/chipKIT-core