Fixes gcc '-Wunused-but-set-variable' warning:
drivers/mtd/devices/spear_smi.c: In function spear_smi_probe_config_dt:
drivers/mtd/devices/spear_smi.c:780:32: warning: variable flash_info set but not used [-Wunused-but-set-variable]
It is not used since commit 
6551ab5d30d6 ("mtd:
add device-tree support to spear_smi")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: zhengbin <zhengbin13@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
 
        /* Fill structs for each subnode (flash device) */
        while ((pp = of_get_next_child(np, pp))) {
-               struct spear_smi_flash_info *flash_info;
-
-               flash_info = &pdata->board_flash_info[i];
                pdata->np[i] = pp;
 
                /* Read base-addr and size from DT */