[C57][FIX] Correct the device ID when booting from USB

The device ID (set into the U-Boot variables `kernel_device_id` and
`fdt_device_id`) was incorrect and could not load correctly the kernel
and the device tree from USB.

JIRA Reference: [CLEAOS-406]

include/configs/seco_imx8qxp_c57.h

@@ -106,10 +106,10 @@
 
 /*  SCFG = SECO CONFIG  */
 #define BOARD_BOOT_ID_EMMC                                 0
-#define BOARD_BOOT_ID_USB                                  1
+#define BOARD_BOOT_ID_USB                                  0
 
 #define BOARD_ROOT_ID_EMMC                                 0
-#define BOARD_ROOT_ID_USB                                  1
+#define BOARD_ROOT_ID_USB                                  0
 
 #define SCFG_BOOT_DEV_ID_EMMC                              __stringify(BOARD_BOOT_ID_EMMC)"\0"
 #define SCFG_BOOT_DEV_ID_SD                                "0"