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/fw/arc/promlib.c b/arch/mips/fw/arc/promlib.c
index b7f9dd3..7e8ba5c 100644
--- a/arch/mips/fw/arc/promlib.c
+++ b/arch/mips/fw/arc/promlib.c
@@ -11,7 +11,7 @@
 #include <asm/bcache.h>
 
 /*
- * IP22 boardcache is not compatible with board caches.  Thus we disable it
+ * IP22 boardcache is not compatible with board caches.	 Thus we disable it
  * during romvec action.  Since r4xx0.c is always compiled and linked with your
  * kernel, this shouldn't cause any harm regardless what MIPS processor you
  * have.