dt-bindings: leds: Add issi,is31fl3293 to leds-is31fl32xx

This variant supports 3 channels with 4096 brightness steps.

Signed-off-by: Daniel Mack <daniel@zonque.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/20251219154521.643312-2-daniel@zonque.org
Signed-off-by: Lee Jones <lee@kernel.org>

Author: zonque

Documentation/devicetree/bindings/leds/leds-is31fl32xx.txt

@@ -10,6 +10,7 @@ Required properties:
 	issi,is31fl3235
 	issi,is31fl3218
 	issi,is31fl3216
+	issi,is31fl3293
 	si-en,sn3218
 	si-en,sn3216
 - reg: I2C slave address