[MIPS] TXx9: Fix JMR3927 irq numbers

* Fix wrong txx9_clockevent interrupt number
* Fix TXX9_IRQ_BASE for JMR3927+FPCIB case

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/txx9irq.h b/include/asm-mips/txx9irq.h
index 1c439e5..5620879 100644
--- a/include/asm-mips/txx9irq.h
+++ b/include/asm-mips/txx9irq.h
@@ -14,8 +14,12 @@
 #ifdef CONFIG_IRQ_CPU
 #define TXX9_IRQ_BASE	(MIPS_CPU_IRQ_BASE + 8)
 #else
+#ifdef CONFIG_I8259
+#define TXX9_IRQ_BASE	(I8259A_IRQ_BASE + 16)
+#else
 #define TXX9_IRQ_BASE	0
 #endif
+#endif
 
 #ifdef CONFIG_CPU_TX39XX
 #define TXx9_MAX_IR 16