[MIPS] MIPS boards: Set HZ to 100.

1000Hz will bring an FPGA CPU down on it's knees and it's even worse on
multithreaded cores.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

include/asm-mips/mach-mips/param.h

+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2003 by Ralf Baechle
+ */
+#ifndef __ASM_MACH_MIPS_PARAM_H
+#define __ASM_MACH_MIPS_PARAM_H
+
+#define HZ		100		/* Internal kernel timer frequency */
+
+#endif /* __ASM_MACH_MIPS_PARAM_H */