[MIPS] Fix R4K cache macro names

Several machines have the R4K cache macro name spelled incorrectly.  Namely,
they have cpu_has_4kcache defined instead of cpu_has_4k_cache.
Signed-off-by: Joshua Kinard <kumba@gentoo.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

include/asm-mips/mach-ip22/cpu-feature-overrides.h

@@ -13,7 +13,7 @@
  */
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 #define cpu_has_fpu		1
 #define cpu_has_32fpr		1
 #define cpu_has_counter		1

include/asm-mips/mach-mips/cpu-feature-overrides.h

@@ -17,7 +17,7 @@
 #ifdef CONFIG_CPU_MIPS32
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 /* #define cpu_has_fpu		? */
 /* #define cpu_has_32fpr	? */
 #define cpu_has_counter		1
@@ -47,7 +47,7 @@
 #ifdef CONFIG_CPU_MIPS64
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 /* #define cpu_has_fpu		? */
 /* #define cpu_has_32fpr	? */
 #define cpu_has_counter		1

include/asm-mips/mach-rm200/cpu-feature-overrides.h

@@ -14,7 +14,7 @@
 
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 #define cpu_has_fpu		1
 #define cpu_has_32fpr		1
 #define cpu_has_counter		1

include/asm-mips/mach-sim/cpu-feature-overrides.h

@@ -16,7 +16,7 @@
 #ifdef CONFIG_CPU_MIPS32
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 #define cpu_has_fpu		0
 /* #define cpu_has_32fpr	? */
 #define cpu_has_counter		1
@@ -41,7 +41,7 @@
 #ifdef CONFIG_CPU_MIPS64
 #define cpu_has_tlb		1
 #define cpu_has_4kex		1
-#define cpu_has_4kcache		1
+#define cpu_has_4k_cache	1
 /* #define cpu_has_fpu		? */
 /* #define cpu_has_32fpr	? */
 #define cpu_has_counter		1