armv8: ls1046ardb: Add falcon mode for for QSPI boot

A new defconfig is introduced to support SPL boot from QSPI NOR
flash. This is to support falcon mode for faster booting into
Linux.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/include/configs/ls1046ardb.h b/include/configs/ls1046ardb.h
index 2d45bbc..87d8cf5 100644
--- a/include/configs/ls1046ardb.h
+++ b/include/configs/ls1046ardb.h
@@ -31,17 +31,21 @@
 #define CONFIG_FSL_DDR_INTERACTIVE	/* Interactive debugging */
 #endif
 
-#ifdef CONFIG_RAMBOOT_PBL
-#define CONFIG_SYS_FSL_PBL_PBI board/freescale/ls1046ardb/ls1046ardb_pbi.cfg
-#endif
-
 #ifdef CONFIG_SD_BOOT
+#define CONFIG_SYS_FSL_PBL_PBI board/freescale/ls1046ardb/ls1046ardb_pbi.cfg
 #ifdef CONFIG_EMMC_BOOT
 #define CONFIG_SYS_FSL_PBL_RCW \
 	board/freescale/ls1046ardb/ls1046ardb_rcw_emmc.cfg
 #else
 #define CONFIG_SYS_FSL_PBL_RCW board/freescale/ls1046ardb/ls1046ardb_rcw_sd.cfg
 #endif
+#elif defined(CONFIG_QSPI_BOOT)
+#define CONFIG_SYS_FSL_PBL_RCW \
+	board/freescale/ls1046ardb/ls1046ardb_rcw_qspi.cfg
+#define CONFIG_SYS_FSL_PBL_PBI \
+	board/freescale/ls1046ardb/ls1046ardb_qspi_pbi.cfg
+#define CONFIG_SYS_UBOOT_BASE		0x40100000
+#define CONFIG_SYS_SPL_ARGS_ADDR	0x90000000
 #endif
 
 #ifndef SPL_NO_IFC