CONFIG_MSM_DEBUG_UART1 is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_MSM_DEBUG_UART1.
Result is shown for kernelversion 6.2.5

UART1

configname: CONFIG_MSM_DEBUG_UART1

Debug UART
└─>UART1
In linux kernel since version 2.6.33 (release Date: 2010-02-24)