CONFIG_CLKSRC_QCOM (not configurable)

modulename: timer-qcom.ko

and/or

qcom-timer.ko

configname: CONFIG_CLKSRC_QCOM

Linux Kernel Configuration
└─>Device Drivers
└─>Clock Source drivers
└─>CLKSRC_QCOM
In linux kernel since version 3.10 (release Date: 2013-06-30)  
source code:
drivers/clocksource/qcom-timer.c
selects

CONFIG_TIMER_OF