This PR fixes a "GERBER" (off-by-one error) in the JTAG code in BPv4.
If an exact multiple of 8 bits was requested to be clocked out, this caused some bytes in the serial input stream (communication between openocd and BPv4) to be lost, resulting in failure of the serial connenction.
This PR fixes a "GERBER" (off-by-one error) in the JTAG code in BPv4. If an exact multiple of 8 bits was requested to be clocked out, this caused some bytes in the serial input stream (communication between openocd and BPv4) to be lost, resulting in failure of the serial connenction.