dt-bindings: regulator: Add TI TPS65215 PMIC bindings

TPS65215 is a Power Management IC with 3 Buck regulators and 2 LDOs.

TPS65215 has 2 LDOS and 1 GPO, whereas TPS65219 has 4 LDOs and 2 GPOs. The
remaining features for both devices are the same.

Signed-off-by: Shree Ramamoorthy <s-ramamoorthy@ti.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250206173725.386720-2-s-ramamoorthy@ti.com


Signed-off-by: Lee Jones <lee@kernel.org>