armv8/ls1043aqds: add QSPI boot support

Enable the U-Boot Driver Model(DM) to use the Freescale QSPI driver.

Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/ls1043aqds/ls1043aqds.c b/board/freescale/ls1043aqds/ls1043aqds.c
index bb14447..01db078 100644
--- a/board/freescale/ls1043aqds/ls1043aqds.c
+++ b/board/freescale/ls1043aqds/ls1043aqds.c
@@ -47,7 +47,7 @@
 int checkboard(void)
 {
 	char buf[64];
-#ifndef CONFIG_SD_BOOT
+#if !defined(CONFIG_SD_BOOT) && !defined(CONFIG_QSPI_BOOT)
 	u8 sw;
 #endif
 
@@ -55,6 +55,8 @@
 
 #ifdef CONFIG_SD_BOOT
 	puts("SD\n");
+#elif defined(CONFIG_QSPI_BOOT)
+	puts("QSPI\n");
 #else
 	sw = QIXIS_READ(brdcfg[0]);
 	sw = (sw & QIXIS_LBMAP_MASK) >> QIXIS_LBMAP_SHIFT;