Override ACPI tables from built-in initrd

configname: CONFIG_ACPI_TABLE_OVERRIDE_VIA_BUILTIN_INITRD

Linux Kernel Configuration
└─>Power management and ACPI options
└─>ACPI (Advanced Configuration and Power Interface) Support
└─>Override ACPI tables from built-in initrd
In linux kernel since version 5.1 (release Date: 2019-05-05)  
This option provides functionality to override arbitrary ACPI tables
from built-in uncompressed initrd.

See Documentation/admin-guide/acpi/initrd_table_override.rst for details