ARM: omap2plus_defconfig: enable GPIO_PCA953X

This enables tca6424a GPIO expander driver that in turn enables
TPD12S015 HDMI ESD protection and level shifter on OMAP5 uevm.
In other words, it makes HDMI work on OMAP5 uevm.
Signed-off-by: Grazvydas Ignotas <notasas@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/configs/omap2plus_defconfig

@@ -240,6 +240,7 @@ CONFIG_SSI_PROTOCOL=m
 CONFIG_PINCTRL_SINGLE=y
 CONFIG_DEBUG_GPIO=y
 CONFIG_GPIO_SYSFS=y
+CONFIG_GPIO_PCA953X=m
 CONFIG_GPIO_PCF857X=y
 CONFIG_GPIO_TWL4030=y
 CONFIG_GPIO_PALMAS=y