MIPS: Netlogic: SMP fixes for XLR/XLS platform code.

Fix few issues in the Netlogic code:
- Use handle_percpu_irq to handle per-cpu interrupts
- Remove unused function nlm_common_ipi_handler()
- Call scheduler_ipi() on SMP_RESCHEDULE_YOURSELF
- Enable interrupts in nlm_smp_finish()

Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/2460/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/netlogic/xlr/irq.c b/arch/mips/netlogic/xlr/irq.c
index 1446d58..521bb73 100644
--- a/arch/mips/netlogic/xlr/irq.c
+++ b/arch/mips/netlogic/xlr/irq.c
@@ -209,7 +209,7 @@
 			irq_set_chip_and_handler(i, &xlr_pic, handle_level_irq);
 		else
 			irq_set_chip_and_handler(i, &nlm_cpu_intr,
-						handle_level_irq);
+						handle_percpu_irq);
 	}
 #ifdef CONFIG_SMP
 	irq_set_chip_and_handler(IRQ_IPI_SMP_FUNCTION, &nlm_cpu_intr,