doc: shorten overlong title underlines
Title underlines should match the length of the title. Unfortunately
docutils only catches underlines that are too short.
Add some missing empty lines after titles.
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
diff --git a/doc/board/nxp/imx8mm_evk.rst b/doc/board/nxp/imx8mm_evk.rst
index 327ce6e..bb11029 100644
--- a/doc/board/nxp/imx8mm_evk.rst
+++ b/doc/board/nxp/imx8mm_evk.rst
@@ -36,7 +36,7 @@
$ cp firmware-imx-8.9/firmware/ddr/synopsys/lpddr4*.bin $(builddir)
Build U-Boot for sd card
---------------------------
+------------------------
.. code-block:: bash
@@ -54,8 +54,8 @@
----
Set Boot switch to SD boot
-Build U-Boot for qspi flash card
-------------------------------------
+Build U-Boot for qspi flash card
+--------------------------------
.. code-block:: bash
@@ -81,7 +81,8 @@
$ sf write $loadaddr 0x00 <size_of_flash.bin_in_hex>
Boot from QSPI Flash
------------------------
+--------------------
+
Set Boot Switch to QSPI Flash
Pin configuration for imx8mm_revC evk to boot from qspi flash
diff --git a/doc/board/nxp/ls1046ardb.rst b/doc/board/nxp/ls1046ardb.rst
index 49b4842..8c0bc82 100644
--- a/doc/board/nxp/ls1046ardb.rst
+++ b/doc/board/nxp/ls1046ardb.rst
@@ -54,7 +54,7 @@
- ARM JTAG support
Memory map from core's view
-----------------------------
+---------------------------
================== ================== ================ =====
Start Address End Address Description Size
diff --git a/doc/board/nxp/mx6ul_14x14_evk.rst b/doc/board/nxp/mx6ul_14x14_evk.rst
index 3e57ba1..c135a21 100644
--- a/doc/board/nxp/mx6ul_14x14_evk.rst
+++ b/doc/board/nxp/mx6ul_14x14_evk.rst
@@ -4,7 +4,7 @@
===============
How to use U-Boot on Freescale MX6UL 14x14 EVK
------------------------------------------------
+----------------------------------------------
- Build U-Boot for MX6UL 14x14 EVK: