CONFIG_ARCH_MARCO is not available for thedefaultarchitecture x86.
Result is shown for architecture arm
default or selected kernelversion does not have config value CONFIG_ARCH_MARCO.
Result is shown for kernelversion 6.5.1

CSR SiRFSoC MARCO ARM Cortex A9 Platform

modulename: timer-marco.ko

configname: CONFIG_ARCH_MARCO

Linux Kernel Configuration
└─>CSR SiRF atlas6/primaII/Marco/Polo Specific Features
└─>CSR SiRFSoC MARCO ARM Cortex A9 Platform
In linux kernel since version 3.1 (release Date: 2011-10-24)  
Support for CSR SiRFSoC ARM Cortex A9 Platform

source code: