doc: correct references in x86-fit-boot.rst

Correct the references for

* the x86 boot protocol description
* the FIT file format

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>

diff --git a/doc/usage/fit/x86-fit-boot.rst b/doc/usage/fit/x86-fit-boot.rst
index 9e3e32204d5f548b21030ccb9e1ee35691e30bbb..18704af3bac51df88c61641e524d3b5a2e945a8b 100644 (file)
--- a/doc/usage/fit/x86-fit-boot.rst
+++ b/doc/usage/fit/x86-fit-boot.rst
@@ -259,11 +259,12 @@ Why Bother?
 References
 ----------
 
-In the Linux kernel, Documentation/x86/boot.txt defines the boot protocol for
+In the Linux kernel, `Documentation/arch/x86/boot.rst
+<https://docs.kernel.org/arch/x86/boot.html>`_ defines the boot protocol for
 the kernel including the setup.bin format. This is handled in U-Boot in
 arch/x86/lib/zimage.c and arch/x86/lib/bootm.c.
 
-Various files in the same directory as this file describe the FIT format.
-
+The FIT file format is described in the `Flattened Image Tree Specification
+<https://fitspec.osfw.foundation/>`_.
 
 .. sectionauthor:: Simon Glass <sjg@chromium.org> 7-Oct-2014