irqchip: irq-versatile-fpga: remove obsolete oxnas compatible

Due to lack of maintenance and stall of development for a few years now,
and since no new features will ever be added upstream, remove support
for OX810 and OX820 IRQ controller.
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Daniel Golle <daniel@makrotopia.org>
Acked-by: Marc Zyngier <maz@kernel.org>
Acked-by: Andy Shevchenko <andy@kernel.org>
Link: https://lore.kernel.org/r/20230814-topic-oxnas-upstream-remove-v3-1-e2ba579a49d3@linaro.orgSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>

drivers/irqchip/irq-versatile-fpga.c

@@ -242,5 +242,4 @@ static int __init fpga_irq_of_init(struct device_node *node,
 }
 IRQCHIP_DECLARE(arm_fpga, "arm,versatile-fpga-irq", fpga_irq_of_init);
 IRQCHIP_DECLARE(arm_fpga_sic, "arm,versatile-sic", fpga_irq_of_init);
-IRQCHIP_DECLARE(ox810se_rps, "oxsemi,ox810se-rps-irq", fpga_irq_of_init);
 #endif