[PATCH] Documentation: ARM: fix reference to DT format documentation

[Baruch Siach]

The booting-without-of.rst file is no longer there. Link to
devicetree.org instead.

Fixes: 441848282c590 ("dt: Remove booting-without-of.rst")
Cc: Rob Herring <robh at kernel.org>
Signed-off-by: Baruch Siach <baruch at tkos.co.il>
---
 Documentation/arm/booting.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Documentation/arm/booting.rst b/Documentation/arm/booting.rst
index a2263451dc2c..5974e37b3d20 100644
--- a/Documentation/arm/booting.rst
+++ b/Documentation/arm/booting.rst
@@ -128,7 +128,7 @@ it.  The recommended placement is in the first 16KiB of RAM.
 
 The boot loader must load a device tree image (dtb) into system ram
 at a 64bit aligned address and initialize it with the boot data.  The
-dtb format is documented in Documentation/devicetree/booting-without-of.rst.
+dtb format is documented at https://www.devicetree.org/specifications/.
 The kernel will look for the dtb magic value of 0xd00dfeed at the dtb
 physical address to determine if a dtb has been passed instead of a
 tagged list.
-- 
2.29.2