MIPS: Whitespace cleanup.

Having received another series of whitespace patches I decided to do this
once and for all rather than dealing with this kind of patches trickling
in forever.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/kernel/irq.c b/arch/mips/kernel/irq.c
index a5aa43d..d1fea7a 100644
--- a/arch/mips/kernel/irq.c
+++ b/arch/mips/kernel/irq.c
@@ -48,7 +48,7 @@
 }
 
 /*
- * Allocate the 16 legacy interrupts for i8259 devices.  This happens early
+ * Allocate the 16 legacy interrupts for i8259 devices.	 This happens early
  * in the kernel initialization so treating allocation failure as BUG() is
  * ok.
  */