xilinx: zynq: Use CONFIG_SPL_FS_LOAD_PAYLOAD_NAME for dfu_alt_info

CONFIG_SPL_FS_LOAD_PAYLOAD_NAME stores the name of firmware file to be
loaded by SPL. Name can be selected via Kconfig that's why use the macro.

Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/601fbc2dfd16b4708fc6b5f86954e10add43334e.1660055571.git.michal.simek@amd.com

board/xilinx/zynq/board.c

@@ -177,12 +177,13 @@ void set_dfu_alt_info(char *interface, char *devstr)
 	case ZYNQ_BM_SD:
 		snprintf(buf, DFU_ALT_BUF_LEN,
 			 "mmc 0:1=boot.bin fat 0 1;"
-			 "u-boot.img fat 0 1");
+			 "%s fat 0 1", CONFIG_SPL_FS_LOAD_PAYLOAD_NAME);
 		break;
 	case ZYNQ_BM_QSPI:
 		snprintf(buf, DFU_ALT_BUF_LEN,
 			 "sf 0:0=boot.bin raw 0 0x1500000;"
-			 "u-boot.img raw 0x%x 0x500000",
+			 "%s raw 0x%x 0x500000",
+			 CONFIG_SPL_FS_LOAD_PAYLOAD_NAME,
 			 CONFIG_SYS_SPI_U_BOOT_OFFS);
 		break;
 	default: