[PATCH] ppc32: add CONFIG_HZ

While ppc32 has the CONFIG_HZ Kconfig option, it wasnt actually being used.
Connect it up and set all platforms to 250Hz.  This pretty much mimics the
ppc64 patch from Anton Blanchard.
Signed-off-by: Kumar Gala <kumar.gala@freescale.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-ppc/param.h

 #ifndef _ASM_PPC_PARAM_H
 #define _ASM_PPC_PARAM_H
 
+#include <linux/config.h>
+
 #ifdef __KERNEL__
-#define HZ		1000		/* internal timer frequency */
+#define HZ		CONFIG_HZ	/* internal timer frequency */
 #define USER_HZ		100		/* for user interfaces in "ticks" */
 #define CLOCKS_PER_SEC	(USER_HZ)	/* frequency at which times() counts */
 #endif /* __KERNEL__ */