boot: Join ARCH_FIXUP_FDT_MEMORY with related options

Move this to be with the other devicetree-fixup options.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
diff --git a/boot/Kconfig b/boot/Kconfig
index 235c5a7..a01e6cb 100644
--- a/boot/Kconfig
+++ b/boot/Kconfig
@@ -693,14 +693,6 @@
 	  address of the initrd must be augmented by it's size, in the following
 	  format: "<initrd address>:<initrd size>".
 
-config ARCH_FIXUP_FDT_MEMORY
-	bool "Enable arch_fixup_memory_banks() call"
-	default y if OF_LIBFDT
-	help
-	  Enable FDT memory map syncup before OS boot. This feature can be
-	  used for booting OS with different memory setup where the part of
-	  the memory location should be used for different purpose.
-
 config CHROMEOS
 	bool "Support booting Chrome OS"
 	help
@@ -1490,6 +1482,14 @@
 	  the presence of the simple frame buffer with associated reserved
 	  memory
 
+config ARCH_FIXUP_FDT_MEMORY
+	bool "Enable arch_fixup_memory_banks() call"
+	default y
+	help
+	  Enable FDT memory map syncup before OS boot. This feature can be
+	  used for booting OS with different memory setup where the part of
+	  the memory location should be used for different purpose.
+
 endmenu
 
 endif # OF_LIBFDT