default or selected kernelversion does not have config value CONFIG_DRM_I2C_ADV7533.
Result is shown for kernelversion 6.9.5

ADV7533 encoder

configname: CONFIG_DRM_I2C_ADV7533

Linux Kernel Configuration
└─>Device Drivers
└─>Graphics support
└─>Direct Rendering Manager (XFree86 4.1.0 and higher DRI support)
└─>Display Interface Bridges
└─>ADV7533 encoder
In linux kernel since version 4.1 (release Date: 2015-06-21)  
Support for the Analog Devices ADV7533 DSI to HDMI encoder.