sandbox: Move FDT to a different address

The FDT is near its limit and may overlap with the early-malloc region
if more things are added. Move it to a better location.

Series-to: u-boot
Signed-off-by: Simon Glass <sjg@chromium.org>

arch/sandbox/Kconfig

@@ -75,7 +75,7 @@ config SANDBOX_BITS_PER_LONG
 
 config SYS_FDT_LOAD_ADDR
 	hex "Address at which to load devicetree"
-	default 0x100
+	default 0x180000
 	help
 	  With sandbox the devicetree is loaded into the emulated RAM. This sets
 	  the address that is used. There must be enough space at this address

doc/arch/sandbox/sandbox.rst

@@ -658,11 +658,11 @@ that are mapped into that memory:
 ========   ========================   ===============================
 Addr       Config                     Usage
 ========   ========================   ===============================
-     100   CONFIG_SYS_FDT_LOAD_ADDR   Device tree
     b000   CONFIG_BLOBLIST_ADDR       Blob list
    10000   CFG_MALLOC_F_ADDR          Early memory allocation
    f0000   CONFIG_PRE_CON_BUF_ADDR    Pre-console buffer
   100000   TCG Event log              TCG Event Log
+  180000CONFIG_SYS_FDT_LOAD_ADDR   Device tree
   200000   CONFIG_TRACE_EARLY_ADDR    Early trace buffer (if enabled). Also used
   400000   CONFIG_TEXT_BASE           Load buffer for U-Boot (sandbox_spl only)
 10000000                              PCI address space (see test.dts)