cmd: fpga: Use CMD_RET_FAILURE instead of simple 1

Use standard return command failure macro.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

cmd/fpga.c

@@ -371,7 +371,7 @@ static int do_fpga_loadmk(cmd_tbl_t *cmdtp, int flag, int argc,
 			if (gunzip((void *)data, ~0UL, (void *)image_buf,
 				   &image_size) != 0) {
 				puts("GUNZIP: error\n");
-				return 1;
+				return CMD_RET_FAILURE;
 			}
 			data_size = image_size;
 #else
@@ -395,32 +395,32 @@ static int do_fpga_loadmk(cmd_tbl_t *cmdtp, int flag, int argc,
 
 		if (!fit_uname) {
 			puts("No FIT subimage unit name\n");
-			return 1;
+			return CMD_RET_FAILURE;
 		}
 
 		if (!fit_check_format(fit_hdr)) {
 			puts("Bad FIT image format\n");
-			return 1;
+			return CMD_RET_FAILURE;
 		}
 
 		/* get fpga component image node offset */
 		noffset = fit_image_get_node(fit_hdr, fit_uname);
 		if (noffset < 0) {
 			printf("Can't find '%s' FIT subimage\n", fit_uname);
-			return 1;
+			return CMD_RET_FAILURE;
 		}
 
 		/* verify integrity */
 		if (!fit_image_verify(fit_hdr, noffset)) {
 			puts("Bad Data Hash\n");
-			return 1;
+			return CMD_RET_FAILURE;
 		}
 
 		/* get fpga subimage data address and length */
 		if (fit_image_get_data(fit_hdr, noffset, &fit_data,
 				       &data_size)) {
 			puts("Fpga subimage data not found\n");
-			return 1;
+			return CMD_RET_FAILURE;
 		}
 
 		return fpga_load(dev, fit_data, data_size, BIT_FULL);
@@ -428,7 +428,7 @@ static int do_fpga_loadmk(cmd_tbl_t *cmdtp, int flag, int argc,
 #endif
 	default:
 		puts("** Unknown image type\n");
-		return FPGA_FAIL;
+		return CMD_RET_FAILURE;
 	}
 }
 #endif