CONFIG_HD64465 is not available for thedefaultarchitecture x86.
Result is shown for architecture sh
default or selected kernelversion does not have config value CONFIG_HD64465.
Result is shown for kernelversion 5.4.123

Hitachi HD64465 companion chip support

configname: CONFIG_HD64465

HD6446x options
└─>Hitachi HD64465 companion chip support
In linux kernel since version 2.6.12  
The Hitachi HD64465 provides an interface for
the SH7750 CPU, supporting a LCD controller,
CRT color controller, IrDA, USB, PCMCIA,
keyboard controller, and a printer interface.

More information is available at
<http://global.hitachi.com/New/cnews/E/1998/981019B.html>.

Say Y if you want support for the HD64465.
Otherwise, say N.