microblaze: Removed unused variables

Signed-off-by: Michal Simek <monstr@monstr.eu>

lib_microblaze/board.c

@@ -111,10 +111,6 @@ void board_init (void)
 	gd = (gd_t *) CONFIG_SYS_GBL_DATA_OFFSET;
 #if defined(CONFIG_CMD_FLASH)
 	ulong flash_size = 0;
-#endif
-#if defined(CONFIG_CMD_NET)
-	char *s, *e;
-	int i;
 #endif
 	asm ("nop");	/* FIXME gd is not initialize - wait */
 	memset ((void *)gd, 0, CONFIG_SYS_GBL_DATA_SIZE);