SiFive CLINT. When not specified, this option is assumed to be "off".
This option is restricted to the TCG accelerator.
+- acpi=[on|off|auto]
+
+ When this option is "on" (which is the default), ACPI tables are generated and
+ exposed as firmware tables etc/acpi/rsdp and etc/acpi/tables.
+
- aia=[none|aplic|aplic-imsic]
This option allows selecting interrupt controller defined by the AIA