irqchip: Drop leftover brackets

irqchip: Drop leftover brackets

[ Upstream commit 3540d99c03a88d4ebf65026f1f1926d3af658fb1 ]

Drop some unnecessary brackets in platform_irqchip_probe() mistakenly
left by commit 9322d1915f9d ("irqchip: Plug a OF node reference leak in
platform_irqchip_probe()").

Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Stable-dep-of: 1e3e330c0707 ("irqchip: Pass platform device to platform drivers")
Signed-off-by: Sasha Levin <sashal@kernel.org>