Convert the TI OMAP2/3 interrupt controller binding to schema format.
It's a straight-forward conversion of the typical interrupt controller.
"ti,intc-size" property isn't actually used with "ti,omap2-intc", so the
2 bindings can be combined.
Link: https://lore.kernel.org/r/20250505144917.1294150-1-robh@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
