CONFIG_AT91_SAM9_TIME is not available for thedefaultarchitecture x86.
Result is shown for architecture arm

CONFIG_AT91_SAM9_TIME (not configurable)

modulename: at91sam926x_time.ko

configname: CONFIG_AT91_SAM9_TIME

Linux Kernel Configuration
└─>AT91_SAM9_TIME
In linux kernel since version 3.1 (release Date: 2011-10-24)  
source code:
arch/arm/mach-at91/at91sam926x_time.c