Fix GCC format-security errors and convert sprintfs.

With format-security errors turned on, GCC picks up the use of sprintf with
a format parameter not being a string literal.

Simple uses of sprintf are also converted to use strcpy.

Signed-off-by: Ben Whitten <ben.whitten@gmail.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Reviewed-by: Tom Rini <trini@konsulko.com>

board/vscom/baltos/board.c

@@ -346,7 +346,7 @@ int board_late_init(void)
 
 	/* get production data */
 	if (read_eeprom(&header)) {
-		sprintf(model, "211");
+		strcpy(model, "211");
 	} else {
 		sprintf(model, "%d", header.SystemId);
 		if (header.SystemId == 215) {