[ARM] Eliminate ARM private __KERNEL_HZ.

include/asm-arm/arch-ebsa110/param.h

 /*
  *  linux/include/asm-arm/arch-ebsa110/param.h
  */
-#define __KERNEL_HZ	200
+#define HZ	200

include/asm-arm/arch-l7200/param.h

@@ -16,4 +16,4 @@
 /*
  * See 'time.h' for how the RTC HZ rate is set
  */
-#define __KERNEL_HZ 128
+#define HZ 128

include/asm-arm/arch-s3c2410/param.h

@@ -22,6 +22,6 @@
  * add a software pre-scaler to the evil timer systems.
 */
 
-#define __KERNEL_HZ   200
+#define HZ   200
 
 #endif /* __ASM_ARCH_PARAM_H */

include/asm-arm/param.h

@@ -11,13 +11,12 @@
 #define __ASM_PARAM_H
 
 #ifdef __KERNEL__
-# include <asm/arch/param.h>		/* for __KERNEL_HZ */
+# include <asm/arch/param.h>		/* for kernel version of HZ */
 
-# ifndef __KERNEL_HZ
-# define __KERNEL_HZ	100
+# ifndef HZ
+#  define HZ		100		/* Internal kernel timer frequency */
 # endif
 
-# define HZ		__KERNEL_HZ	/* Internal kernel timer frequency */
 # define USER_HZ	100		/* User interfaces are in "ticks" */
 # define CLOCKS_PER_SEC	(USER_HZ)	/* like times() */
 #else