CONFIG_BF527_UART1_PORTG is not available for thedefaultarchitecture x86.
Result is shown for architecture blackfin
default or selected kernelversion does not have config value CONFIG_BF527_UART1_PORTG.
Result is shown for kernelversion 6.7-rc3

PORT G

configname: CONFIG_BF527_UART1_PORTG

UART1
└─>PORT G
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
PORT G