[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/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index d96f821..ac762d8 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -954,7 +954,7 @@
  */
 static inline void parity_protection_init(void)
 {
-	switch (current_cpu_data.cputype) {
+	switch (current_cpu_type()) {
 	case CPU_24K:
 	case CPU_34K:
 	case CPU_5KC:
@@ -1549,8 +1549,8 @@
 	set_except_vector(12, handle_ov);
 	set_except_vector(13, handle_tr);
 
-	if (current_cpu_data.cputype == CPU_R6000 ||
-	    current_cpu_data.cputype == CPU_R6000A) {
+	if (current_cpu_type() == CPU_R6000 ||
+	    current_cpu_type() == CPU_R6000A) {
 		/*
 		 * The R6000 is the only R-series CPU that features a machine
 		 * check exception (similar to the R4000 cache error) and