plat: marvell: armada: a8k: Fix LD selector mask

Fixed a bug that the actually bit number was used as a mask to
select LD0 or LD1 fuse
Signed-off-by: Guo Yi <yguo@cavium.com>
Change-Id: I4bec268c3dc2566350b4a73f655bce222707e25b
Reviewed-on: https://sj1git1.cavium.com/c/IP/SW/boot/atf/+/46146

Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Kostya Porotchkin <kostap@marvell.com>

plat/marvell/armada/a8k/common/plat_ble_setup.c

@@ -383,7 +383,7 @@ static void ble_plat_svc_config(void)
 
 	/* Set access to LD0 */
 	reg_val = mmio_read_32(MVEBU_AP_EFUSE_SRV_CTRL_REG);
-	reg_val &= ~EFUSE_SRV_CTRL_LD_SELECT_OFFS;
+	reg_val &= ~EFUSE_SRV_CTRL_LD_SEL_USER_MASK;
 	mmio_write_32(MVEBU_AP_EFUSE_SRV_CTRL_REG, reg_val);
 
 	/* Obtain the value of LD0[125:63] */