CONFIG_PIC32MZDA is not available for thedefaultarchitecture x86.
Result is shown for architecture mips

Microchip PIC32MZDA Platform

modulename: clk-pic32mzda.ko

configname: CONFIG_PIC32MZDA

Machine Type
└─>Microchip PIC32MZDA Platform
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for the Microchip PIC32MZDA microcontroller.

This is a 32-bit microcontroller with support for external or
internally packaged DDR2 memory up to 128MB.

For more information, see <http://www.microchip.com/>.

source code:
drivers/clk/microchip/clk-pic32mzda.c

is selected by
CONFIG_DTB_PIC32_MZDA_SK