doc: board: apalis-imx8: convert readme to reST

Convert README to reStructuredText format.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/board/toradex/apalis-imx8/README b/board/toradex/apalis-imx8/README
deleted file mode 100644
index e6e3dcb..0000000
--- a/board/toradex/apalis-imx8/README
+++ /dev/null
@@ -1,66 +0,0 @@
-U-Boot for the Toradex Apalis iMX8QM V1.0B Module
-
-Quick Start
-===========
-
-- Build the ARM trusted firmware binary
-- Get scfw_tcm.bin and ahab-container.img
-- Build U-Boot
-- Load U-Boot binary using uuu
-- Flash U-Boot binary into the eMMC
-- Boot
-
-Get and Build the ARM Trusted Firmware
-======================================
-
-$ git clone -b imx_4.14.78_1.0.0_ga https://source.codeaurora.org/external/imx/imx-atf
-$ cd imx-atf/
-$ make PLAT=imx8qm bl31
-
-Get scfw_tcm.bin and ahab-container.img
-=======================================
-
-$ wget https://github.com/toradex/meta-fsl-bsp-release/blob/toradex-sumo-4.14.78-1.0.0_ga-bringup/imx/meta-bsp/recipes-bsp/imx-sc-firmware/files/mx8qm-apalis-scfw-tcm.bin?raw=true
-$ mv mx8qm-apalis-scfw-tcm.bin\?raw\=true mx8qm-apalis-scfw-tcm.bin
-$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
-$ chmod +x firmware-imx-8.0.bin
-$ ./firmware-imx-8.0.bin
-
-Copy the following binaries to the U-Boot folder:
-
-$ cp imx-atf/build/imx8qm/release/bl31.bin .
-$ cp u-boot/u-boot.bin .
-
-Copy the following firmware to the U-Boot folder:
-
-$ cp firmware-imx-8.0/firmware/seco/ahab-container.img .
-
-Build U-Boot
-============
-
-$ make apalis-imx8qm_defconfig
-$ make u-boot-dtb.imx
-
-Load the U-Boot Binary Using UUU
-================================
-
-Get the latest version of the universal update utility (uuu) aka mfgtools 3.0:
-
-https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2FNXPmicro%2Fmfgtools%2Freleases
-
-Put the module into USB recovery aka serial downloader mode, connect USB device
-to your host and execute uuu:
-
-sudo ./uuu u-boot/u-boot-dtb.imx
-
-Flash the U-Boot Binary into the eMMC
-=====================================
-
-Burn the u-boot-dtb.imx binary to the primary eMMC hardware boot area partition:
-
-load mmc 1:1 $loadaddr u-boot-dtb.imx
-setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt ${blkcnt} / 0x200
-mmc dev 0 1
-mmc write ${loadaddr} 0x0 ${blkcnt}
-
-Boot
diff --git a/doc/board/toradex/apalix-imx8.rst b/doc/board/toradex/apalix-imx8.rst
new file mode 100644
index 0000000..4b7ea65
--- /dev/null
+++ b/doc/board/toradex/apalix-imx8.rst
@@ -0,0 +1,82 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+Apalis iMX8QM V1.0B Module
+==========================
+
+Quick Start
+-----------
+
+- Build the ARM trusted firmware binary
+- Get scfw_tcm.bin and ahab-container.img
+- Build U-Boot
+- Load U-Boot binary using uuu
+- Flash U-Boot binary into the eMMC
+- Boot
+
+Get and Build the ARM Trusted Firmware
+--------------------------------------
+
+.. code-block:: bash
+
+    $ git clone -b imx_4.14.78_1.0.0_ga https://source.codeaurora.org/external/imx/imx-atf
+    $ cd imx-atf/
+    $ make PLAT=imx8qm bl31
+
+Get scfw_tcm.bin and ahab-container.img
+---------------------------------------
+
+.. code-block:: bash
+
+    $ wget https://github.com/toradex/meta-fsl-bsp-release/blob/toradex-sumo-4.14.78-1.0.0_ga-bringup/imx/meta-bsp/recipes-
+      bsp/imx-sc-firmware/files/mx8qm-apalis-scfw-tcm.bin?raw=true
+    $ mv mx8qm-apalis-scfw-tcm.bin\?raw\=true mx8qm-apalis-scfw-tcm.bin
+    $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.0.bin
+    $ chmod +x firmware-imx-8.0.bin
+    $ ./firmware-imx-8.0.bin
+
+Copy the following binaries to the U-Boot folder:
+
+.. code-block:: bash
+
+    $ cp imx-atf/build/imx8qm/release/bl31.bin .
+    $ cp u-boot/u-boot.bin .
+
+Copy the following firmware to the U-Boot folder:
+
+.. code-block:: bash
+
+    $ cp firmware-imx-8.0/firmware/seco/ahab-container.img .
+
+Build U-Boot
+------------
+.. code-block:: bash
+
+    $ make apalis-imx8qm_defconfig
+    $ make u-boot-dtb.imx
+
+Load the U-Boot Binary Using UUU
+--------------------------------
+
+Get the latest version of the universal update utility (uuu) aka ``mfgtools 3.0``:
+
+https://community.nxp.com/external-link.jspa?url=https%3A%2F%2Fgithub.com%2FNXPmicro%2Fmfgtools%2Freleases
+
+Put the module into USB recovery aka serial downloader mode, connect USB device
+to your host and execute uuu:
+
+.. code-block:: bash
+
+    sudo ./uuu u-boot/u-boot-dtb.imx
+
+Flash the U-Boot Binary into the eMMC
+-------------------------------------
+
+Burn the ``u-boot-dtb.imx`` binary to the primary eMMC hardware boot area
+partition and boot:
+
+.. code-block:: bash
+
+    load mmc 1:1 $loadaddr u-boot-dtb.imx
+    setexpr blkcnt ${filesize} + 0x1ff && setexpr blkcnt ${blkcnt} / 0x200
+    mmc dev 0 1
+    mmc write ${loadaddr} 0x0 ${blkcnt}
diff --git a/doc/board/toradex/index.rst b/doc/board/toradex/index.rst
index 6cd2ade..da65ad2 100644
--- a/doc/board/toradex/index.rst
+++ b/doc/board/toradex/index.rst
@@ -6,5 +6,6 @@
 .. toctree::
    :maxdepth: 2
 
+   apalix-imx8
    colibri_imx7
    verdin-imx8mm