[PATCH] doc: add rst references to distro documentation in stm32mp1 board

[Patrick Delaunay]

Use internal rst reference with :doc: to have a link to distro.rst page
in the generated U-Boot documentation.

Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
---

 doc/board/st/stm32mp1.rst | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/board/st/stm32mp1.rst b/doc/board/st/stm32mp1.rst
index 3f70634d2836..c0b1daa0418e 100644
--- a/doc/board/st/stm32mp1.rst
+++ b/doc/board/st/stm32mp1.rst
@@ -478,7 +478,8 @@ or:
   +-------+--------+---------+------------------------+------------------------+
 
 And the 4th partition (Rootfs) is marked bootable with a file extlinux.conf
-following the Generic Distribution feature (doc/develop/distro.rst for use).
+following the Generic Distribution feature (see :doc:`../../develop/distro` for
+use).
 
 The size of fip or ssbl partition must be enough for the associated binary file,
 4MB and 2MB are default values.
-- 
2.25.1