PSOC6.py: generate hex files with 16 bytes per row
PSOC6.py: generate hex files with 16 bytes per row

DAPLink implementation on Cypress kits cannot handle hex files
with 64 bytes per row: refer to https://github.com/ARMmbed/DAPLink,
source/daplink/drag-n-drop/intelhex.c, hex_line_t struct, data field.

andcor02/mbed-os,kjbracey-arm/mbed,andcor02/mbed-os,andcor02/mbed-os,mbedmicro/mbed,kjbracey-arm/mbed,andcor02/mbed-os,mbedmicro/mbed,mbedmicro/mbed,kjbracey-arm/mbed,andcor02/mbed-os,mbedmicro/mbed,mbedmicro/mbed,andcor02/mbed-os,kjbracey-arm/mbed