ARM: dts: spear320: Drop unused and undocumented 'irq-over-gpio' property

The property 'irq-over-gpio' is both unused and undocumented. It also
happens to collide with standard *-gpio properties. As it is not needed,
drop it.

Signed-off-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]'
Signed-off-by: Arnd Bergmann <[email protected]>

Author: robherring

arch/arm/boot/dts/spear320-hmi.dts

@@ -235,7 +235,6 @@
 					#address-cells = <1>;
 					#size-cells = <0>;
 					reg = <0x41>;
-					irq-over-gpio;
 					irq-gpios = <&gpiopinctrl 29 0x4>;
 					id = <0>;
 					blocks = <0x5>;