default or selected kernelversion does not have config value CONFIG_DRM_PSB.
Result is shown for kernelversion 6.2.5

Intel GMA5/600 KMS Framebuffer

modulename: psb_gfx.ko

configname: CONFIG_DRM_PSB

Linux Kernel Configuration
└─>Device Drivers
└─>Staging drivers
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Intel GMA5/600 KMS Framebuffer
In linux kernel since version 2.6.39 (release Date: 2011-05-18)  
Say yes for an experimental 2D KMS framebuffer driver for the
Intel GMA500 ('Poulsbo') and other Intel IMG based graphics
devices.

source code: