CONFIG_COMMON_CLK_IPROC (not configurable)

modulename: clk-iproc-armpll.ko

and/or

clk-ns2.ko

configname: CONFIG_COMMON_CLK_IPROC

Linux Kernel Configuration
└─>Device Drivers
└─>Common Clock Framework
└─>COMMON_CLK_IPROC
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Enable common clock framework support for Broadcom SoCs
based on the iProc architecture

source code:
drivers/clk/bcm/