armv8: ls1046aqds: Fix NAND offset for Fman ucode and env

Fix a bug of 'commit 8104deb2d6b7 ("armv8: layerscape: Adjust memory
mapping for Flash/SD card on LS1046A")' as NAND block size is 256KB
on LS1046AQDS.

Signed-off-by: Gong Qianyu <Qianyu.Gong@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/include/configs/ls1046a_common.h b/include/configs/ls1046a_common.h
index dfc8e92..6d501b9 100644
--- a/include/configs/ls1046a_common.h
+++ b/include/configs/ls1046a_common.h
@@ -183,7 +183,7 @@
 #define CONFIG_ENV_SPI_MODE		0x03
 #elif defined(CONFIG_NAND_BOOT)
 #define CONFIG_SYS_QE_FMAN_FW_IN_NAND
-#define CONFIG_SYS_FMAN_FW_ADDR		(72 * CONFIG_SYS_NAND_BLOCK_SIZE)
+#define CONFIG_SYS_FMAN_FW_ADDR		(36 * CONFIG_SYS_NAND_BLOCK_SIZE)
 #else
 #define CONFIG_SYS_QE_FMAN_FW_IN_NOR
 #define CONFIG_SYS_FMAN_FW_ADDR		0x60900000