default or selected kernelversion does not have config value CONFIG_RCAR_HPB_DMAE.
Result is shown for kernelversion 6.5.1

Renesas R-Car HPB DMAC support

modulename: rcar-hpbdma.ko

configname: CONFIG_RCAR_HPB_DMAE

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Renesas R-Car HPB DMAC support
In linux kernel since version 3.12 (release Date: 2013-11-03)  
Enable support for the Renesas R-Car series DMA controllers.

source code: