do_reset: unify duplicate prototypes

The duplication of the do_reset prototype has gotten out of hand,
and they're not all in sync.  Unify them all in command.h.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/arch/m68k/cpu/mcf523x/cpu.c b/arch/m68k/cpu/mcf523x/cpu.c
index 582aec9..2376f97 100644
--- a/arch/m68k/cpu/mcf523x/cpu.c
+++ b/arch/m68k/cpu/mcf523x/cpu.c
@@ -34,7 +34,7 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-int do_reset(cmd_tbl_t * cmdtp, bd_t * bd, int flag, int argc, char * const argv[])
+int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 {
 	volatile ccm_t *ccm = (ccm_t *) MMAP_CCM;