Kconfig: add SPL_LOAD_FIT_ADDRESS

Add SPL_LOAD_FIT_ADDRESS to make user could add it in defconfig

Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/Kconfig b/Kconfig
index 566ca72..e6308f3 100644
--- a/Kconfig
+++ b/Kconfig
@@ -526,6 +526,14 @@
 	  particular it can handle selecting from multiple device tree
 	  and passing the correct one to U-Boot.
 
+config SPL_LOAD_FIT_ADDRESS
+	hex "load address of fit image"
+	depends on SPL_LOAD_FIT
+	default 0x0
+	help
+	  Specify the load address of the fit image that will be loaded
+	  by SPL.
+
 config SPL_LOAD_FIT_APPLY_OVERLAY
 	bool "Enable SPL applying DT overlays from FIT"
 	depends on SPL_LOAD_FIT