irqchip/riscv-intc: Fix a typo in a pr_warn()

Anup originally re-spun his patch set to include this fix, but it was a bit too
late for my PR so I've split it out.

Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200611175302.253540-1-palmer@dabbelt.com

Author: palmer-dabbelt

drivers/irqchip/irq-riscv-intc.c

@@ -99,7 +99,7 @@ static int __init riscv_intc_init(struct device_node *node,
 
 	hartid = riscv_of_parent_hartid(node);
 	if (hartid < 0) {
-		pr_warn("unable to fine hart id for %pOF\n", node);
+		pr_warn("unable to find hart id for %pOF\n", node);
 		return 0;
 	}