CONFIG_BF548_ATAPI_ALTERNATIVE_PORT is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF548_ATAPI_ALTERNATIVE_PORT.
Result is shown for kernelversion 6.7-rc3

BF548 ATAPI alternative port via GPIO

configname: CONFIG_BF548_ATAPI_ALTERNATIVE_PORT

Linux Kernel Configuration
└─>BF548 Specific Configuration
└─>BF548 ATAPI alternative port via GPIO
In linux kernel since version 2.6.31 (release Date: 2009-09-09)  
BF548 ATAPI data and address PINs can be routed through
async address or GPIO port F and G. Select y to route it
to GPIO.

depends
CONFIG_BF54x