small fix for gdb

[Atsushi Nemoto <nemoto@toshiba-tops.co.jp>]

in gdb-low.S, "mfc1" (not "cfc1") is used to get CP1 status/revision.
Here is a patch.

--- linux-sgi-cvs/arch/mips/kernel/gdb-low.S    Fri Oct 26 10:39:13 2001
+++ linux.new/arch/mips/kernel/gdb-low.S        Wed Oct 31 13:44:52 2001
@@ -145,9 +145,9 @@
  * FPU control registers
  */
 
-               mfc1    v0,CP1_STATUS
+               cfc1    v0,CP1_STATUS
                sw      v0,GDB_FR_FSR(sp)
-               mfc1    v0,CP1_REVISION
+               cfc1    v0,CP1_REVISION
                sw      v0,GDB_FR_FIR(sp)
 
 /*
---
Atsushi Nemoto