m68k: Add a reset_cpu() function

The current do_reset() is called from a command context. Add a function
which can be used from anywhere, as is done on ARM.

Since there are lots of reset functions, this one actually just calls
do_reset(). Future refactoring could correct this.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Angelo Dureghello <angelo@kernel-spcece.org>
diff --git a/arch/m68k/lib/traps.c b/arch/m68k/lib/traps.c
index c283351..ae8ae6c 100644
--- a/arch/m68k/lib/traps.c
+++ b/arch/m68k/lib/traps.c
@@ -7,6 +7,7 @@
  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  */
 
+#include <cpu_func.h>
 #include <init.h>
 #include <watchdog.h>
 #include <command.h>
@@ -65,3 +66,9 @@
 
 	return 0;
 }
+
+void reset_cpu(void)
+{
+	/* TODO: Refactor all the do_reset calls to be reset_cpu() instead */
+	do_reset(NULL, 0, 0, NULL);
+}