dt-bindings: mfd: syscon: Add TI's opp table compatible

dt-bindings: mfd: syscon: Add TI's opp table compatible

The JTAG_USER_ID_USERCODE efuse address, which is located inside the
WKUP_CTRL_MMR0 range holds information to identify the speed grades of
various components on TI's K3 SoCs. Add a compatible to allow the
cpufreq driver to obtain the data to limit the maximum frequency for the
CPUs under Linux control.

Signed-off-by: Bryan Brattlof <bb@ti.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20240621-ti-opp-updates-v3-3-d857be6dac8b@ti.com
Signed-off-by: Lee Jones <lee@kernel.org>