default or selected kernelversion does not have config value CONFIG_QCOM_PPE.
Result is shown for kernelversion 6.18-rc3

Qualcomm Technologies, Inc. PPE Ethernet support

modulename: qcom-ppe.ko

configname: CONFIG_QCOM_PPE

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Ethernet driver support
└─>Device Tree and Open Firmware support
└─>Qualcomm Technologies, Inc. PPE Ethernet support
This driver supports the Qualcomm Technologies, Inc. packet
process engine (PPE) available with IPQ SoC. The PPE includes
the Ethernet MACs, Ethernet DMA (EDMA) and switch core that
supports L3 flow offload, L2 switch function, RSS and tunnel
offload.

To compile this driver as a module, choose M here. The module
will be called qcom-ppe.

source code: