board_init_r: Removed unused cmdtp variable

Follow up to commit 620f1f6a64095ed558e68d37f1965d015cd49b02
removed compiler warning for (now) unused cmd_tbl_t* cmdtp

arch/avr32/lib/board.c

@@ -257,7 +257,6 @@ void board_init_r(gd_t *new_gd, ulong dest_addr)
 	extern char * env_name_spec;
 #endif
 	char *s;
-	cmd_tbl_t *cmdtp;
 	bd_t *bd;
 
 	gd = new_gd;

arch/m68k/lib/board.c

@@ -393,7 +393,6 @@ board_init_f (ulong bootflag)
  */
 void board_init_r (gd_t *id, ulong dest_addr)
 {
-	cmd_tbl_t *cmdtp;
 	char *s;
 	bd_t *bd;
 	extern void malloc_bin_reloc (void);

arch/mips/lib/board.c

@@ -276,7 +276,6 @@ void board_init_f(ulong bootflag)
 
 void board_init_r (gd_t *id, ulong dest_addr)
 {
-	cmd_tbl_t *cmdtp;
 #ifndef CONFIG_SYS_NO_FLASH
 	ulong size;
 #endif