Added compilation macro to change the element type from default uint8_t. Define ETL_BITSET_ELEMENT_TYPE to customise.
Added compilation macro to change the element type from default uint8_t.
Define ETL_BITSET_ELEMENT_TYPE to customise.

ETLCPP/etl,ETLCPP/etl,ETLCPP/etl,ETLCPP/etl