[MIPS] Allow hardwiring of the CPU type to a single type for optimization.

This saves a few k on systems which only ever ship with a single CPU type.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/cpu-features.h b/include/asm-mips/cpu-features.h
index 81f19ae..f6bd308 100644
--- a/include/asm-mips/cpu-features.h
+++ b/include/asm-mips/cpu-features.h
@@ -9,11 +9,14 @@
 #ifndef __ASM_CPU_FEATURES_H
 #define __ASM_CPU_FEATURES_H
 
-
 #include <asm/cpu.h>
 #include <asm/cpu-info.h>
 #include <cpu-feature-overrides.h>
 
+#ifndef current_cpu_type
+#define current_cpu_type()      current_cpu_data.cputype
+#endif
+
 /*
  * SMP assumption: Options of CPU 0 are a superset of all processors.
  * This is true for all known MIPS systems.