MIPS: Fix typo resulting in far too long ndelay times.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/include/asm/delay.h b/arch/mips/include/asm/delay.h
index a07e51b..d2d8949 100644
--- a/arch/mips/include/asm/delay.h
+++ b/arch/mips/include/asm/delay.h
@@ -15,7 +15,7 @@
 extern void __ndelay(unsigned int ns);
 extern void __udelay(unsigned int us);
 
-#define ndelay(ns) __udelay(ns)
+#define ndelay(ns) __ndelay(ns)
 #define udelay(us) __udelay(us)
 
 /* make sure "usecs *= ..." in udelay do not overflow. */