doc: board: Convert i.MX8MP EVK README to reST

Convert plain text documentation to reStructuredText format and add
it to Sphinx TOC tree. No essential content change.

Signed-off-by: Peng Fan <peng.fan@nxp.com>

board/freescale/imx8mp_evk/README

@@ -1,41 +0,0 @@
-U-Boot for the NXP i.MX8MP EVK board
-
-Quick Start
-===========
-- Build the ARM Trusted firmware binary
-- Get the firmware-imx package
-- Build U-Boot
-- Boot
-
-Get and Build the ARM Trusted firmware
-======================================
-Note: $(srctree) is the U-Boot source directory
-Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
-branch: imx_5.4.3_2.0.0
-$ make PLAT=imx8mp bl31
-$ sudo cp build/imx8mp/release/bl31.bin $(srctree)
-
-Get the ddr firmware
-====================
-$ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.7.bin
-$ chmod +x firmware-imx-8.7.bin
-$ ./firmware-imx-8.7
-$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_1d_dmem.bin
-$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_201904.bin $(srctree)/lpddr4_pmu_train_1d_imem.bin
-$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_2d_dmem.bin
-$ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_201904.bin $(srctree)/lpddr4_pmu_train_2d_imem.bin
-
-Build U-Boot
-============
-$ export CROSS_COMPILE=aarch64-poky-linux-
-$ make imx8mp_evk_defconfig
-$ export ATF_LOAD_ADDR=0x960000
-$ make flash.bin
-
-Burn the flash.bin to the MicroSD card at offset 32KB
-$sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
-
-Boot
-====
-Set Boot switch to SD boot
-Use /dev/ttyUSB2 for U-Boot console

doc/board/freescale/imx8mp_evk.rst

@@ -0,0 +1,61 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+imx8mp_evk
+==========
+
+U-Boot for the NXP i.MX8MP EVK board
+
+Quick Start
+-----------
+
+- Build the ARM Trusted firmware binary
+- Get the firmware-imx package
+- Build U-Boot
+- Boot
+
+Get and Build the ARM Trusted firmware
+--------------------------------------
+
+Note: $(srctree) is the U-Boot source directory
+Get ATF from: https://source.codeaurora.org/external/imx/imx-atf
+branch: imx_5.4.3_2.0.0
+
+.. code-block:: bash
+
+   $ make PLAT=imx8mp bl31
+   $ sudo cp build/imx8mp/release/bl31.bin $(srctree)
+
+Get the ddr firmware
+--------------------
+
+.. code-block:: bash
+
+   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-imx-8.7.bin
+   $ chmod +x firmware-imx-8.7.bin
+   $ ./firmware-imx-8.7
+   $ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_1d_dmem.bin
+   $ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_1d_imem_201904.bin $(srctree)/lpddr4_pmu_train_1d_imem.bin
+   $ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_dmem_201904.bin $(srctree)/lpddr4_pmu_train_2d_dmem.bin
+   $ sudo cp firmware-imx-8.7/firmware/ddr/synopsys/lpddr4_pmu_train_2d_imem_201904.bin $(srctree)/lpddr4_pmu_train_2d_imem.bin
+
+Build U-Boot
+------------
+
+.. code-block:: bash
+
+   $ export CROSS_COMPILE=aarch64-poky-linux-
+   $ make imx8mp_evk_defconfig
+   $ export ATF_LOAD_ADDR=0x960000
+   $ make flash.bin
+
+Burn the flash.bin to the MicroSD card at offset 32KB:
+
+.. code-block:: bash
+
+   $sudo dd if=flash.bin of=/dev/sd[x] bs=1K seek=32 conv=notrunc; sync
+
+Boot
+----
+
+Set Boot switch to SD boot
+Use /dev/ttyUSB2 for U-Boot console

doc/board/freescale/index.rst

@@ -7,3 +7,4 @@ Freescale
    :maxdepth: 2
 
    b4860qds
+   imx8mp_evk