default or selected kernelversion does not have config value CONFIG_NET_DSA_MV88E6XXX_NEED_PPU.
Result is shown for kernelversion 6.5.1

CONFIG_NET_DSA_MV88E6XXX_NEED_PPU (not configurable)

configname: CONFIG_NET_DSA_MV88E6XXX_NEED_PPU

Linux Kernel Configuration
└─>Device Drivers
└─>Network device support
└─>Distributed Switch Architecture drivers
└─>NET_DSA_MV88E6XXX_NEED_PPU
In linux kernel since version 2.6.28 (release Date: 2008-12-24)