doc: sl-mx8mm: Add CROSS_COMPILE to U-Boot make call and improve comment
Add the CROSS_COMPILE flag as we assume we build in a cross environment.
Also improve the comment about copying the binary to SD card.
Signed-off-by: Frieder Schrempf <frieder.schrempf@kontron.de>
diff --git a/doc/board/kontron/sl-mx8mm.rst b/doc/board/kontron/sl-mx8mm.rst
index 8b29cbb..702db60 100644
--- a/doc/board/kontron/sl-mx8mm.rst
+++ b/doc/board/kontron/sl-mx8mm.rst
@@ -81,9 +81,9 @@
.. code-block:: bash
$ make kontron-sl-mx8mm_defconfig
- $ make
+ $ make CROSS_COMPILE=aarch64-linux-gnu-
-Burn the flash.bin to SD card at an offset of 33 KiB:
+Copy the flash.bin to SD card at an offset of 33 KiB:
.. code-block:: bash