Revert "Added comment to spi.c"
Revert "Added comment to spi.c"

This reverts commit 28aae2c42776e9c2719669167a6ddb67d5dd8e52.

igor-m/retrobsd-with-double-precison,igor-m/retrobsd-with-double-precison,igor-m/retrobsd-with-double-precison,igor-m/retrobsd-with-double-precison