[PATCH 3_9] Move buffer print code from md command to common function

Printing a buffer is a darn useful thing.  Move the buffer print code
into print_buffer() in lib_generic/

Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

include/common.h

@@ -187,6 +187,8 @@ void	hang		(void) __attribute__ ((noreturn));
 long int initdram (int);
 int	display_options (void);
 void	print_size (ulong, const char *);
+int	print_buffer (ulong addr, void* data, uint width, uint count,
+                      uint linelen);
 
 /* common/main.c */
 void	main_loop	(void);