fit: load all fragments from the extra configurations

Currently only the first fdt is loaded from the extra configuration of
FIT image.
If the configuration have multiple fdt, load them all as well.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>

common/image-fit.c

@@ -2118,6 +2118,18 @@ int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
 			if (next_config)
 				*next_config++ = '\0';
 			uname = NULL;
+
+			/*
+			 * fit_image_load() would load the first FDT from the
+			 * extra config only when uconfig is specified.
+			 * Check if the extra config contains multiple FDTs and
+			 * if so, load them.
+			 */
+			cfg_noffset = fit_conf_get_node(fit, uconfig);
+
+			i = 0;
+			count = fit_conf_get_prop_node_count(fit, cfg_noffset,
+							     FIT_FDT_PROP);
 		}
 
 		debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig);