add missing declaration of smp_processor_id

The missing declaration leads to warnings during compilation for Alchemy boards.

Changes
* include <linux/smp.h> because udelay() needs smp_processor_id

cheers

Uli
---

Index: include/asm-mips/delay.h
===================================================================
RCS file: /home/cvs/linux/include/asm-mips/delay.h,v retrieving revision 1.17

diff -u -w -r1.17 delay.h
@@ -12,7 +12,7 @@
 
 #include <linux/config.h>
 #include <linux/param.h>
-
+#include <linux/smp.h>
 #include <asm/compiler.h>
 
 static inline void __delay(unsigned long loops)

Applied,

Ralf