system/spi/Kconfig:  Simultaneous with Dave Marples patch, kyChu submitted a nearly equivalent change with PR 206.  In have enhanced Dave Marples change with some good things form kyChu's PR.
@@ -47,8 +47,10 @@ config SPITOOL_DEFFREQ
Default SPI frequency (default: 4000000)
config SPITOOL_DEFCMD
- int "Send in command mode"
+ int "CMD/DATA select"
default 0
+ range 0 1
+ depends on SPI_CMDDATA
---help---
Send in command or data mode
0 = Data mode
