gpio: pca953x: Add TI TCA9539 compatible string

Add TI TCA9539 compatible string for yet another I2C GPIO expander.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Mario Six <mario.six@gdsys.cc>
Cc: Peng Fan <van.freenix@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/gpio/pca953x_gpio.c b/drivers/gpio/pca953x_gpio.c
index 341527a..07a3356 100644
--- a/drivers/gpio/pca953x_gpio.c
+++ b/drivers/gpio/pca953x_gpio.c
@@ -363,6 +363,7 @@
 	{ .compatible = "ti,tca6408", .data = OF_953X(8, PCA_INT), },
 	{ .compatible = "ti,tca6416", .data = OF_953X(16, PCA_INT), },
 	{ .compatible = "ti,tca6424", .data = OF_953X(24, PCA_INT), },
+	{ .compatible = "ti,tca9539", .data = OF_953X(16, PCA_INT), },
 
 	{ .compatible = "onsemi,pca9654", .data = OF_953X(8, PCA_INT), },