imx8ulp_evk: enable binman support

Enable binman support and add documentation for the
imx8ul-evk board.

Signed-off-by: Gary Bisson <bisson.gary@gmail.com>
diff --git a/doc/board/nxp/imx8ulp_evk.rst b/doc/board/nxp/imx8ulp_evk.rst
new file mode 100644
index 0000000..a9f5546
--- /dev/null
+++ b/doc/board/nxp/imx8ulp_evk.rst
@@ -0,0 +1,79 @@
+.. SPDX-License-Identifier: GPL-2.0+
+
+imx8ulp_evk
+=======================
+
+U-Boot for the NXP i.MX 8ULP EVK board
+
+Quick Start
+-----------
+
+- Get and Build the ARM Trusted firmware
+- Get the uPower firmware
+- Get the M33 firmware
+- Get ahab-container.img
+- Build U-Boot
+- Boot
+
+Get and Build the ARM Trusted firmware
+--------------------------------------
+
+Note: srctree is U-Boot source directory
+Get ATF from: https://github.com/nxp-imx/imx-atf/
+branch: lf_v2.10
+
+.. code-block:: bash
+
+   $ unset LDFLAGS
+   $ make PLAT=imx8ulp bl31
+   $ cp build/imx8ulp/release/bl31.bin $(srctree)
+
+Get the uPower firmware
+-----------------------
+
+.. code-block:: bash
+
+   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-upower-1.3.1.bin
+   $ chmod +x firmware-upower-1.3.1.bin
+   $ ./firmware-upower-1.3.1.bin
+   $ cp firmware-upower-1.3.1/upower_a1.bin $(srctree)/upower.bin
+
+Get the M33 firmware
+--------------------
+
+.. code-block:: bash
+
+   $ wget http://www.nxp.com/lgfiles/NMG/MAD/YOCTO/imx8ulp-m33-demo-2.14.1.bin
+   $ chmod +x imx8ulp-m33-demo-2.14.1.bin
+   $ ./imx8ulp-m33-demo-2.14.1.bin
+   $ cp imx8ulp-m33-demo-2.14.1/imx8ulp_m33_TCM_power_mode_switch.bin $(srctree)/m33_image.bin
+
+Get ahab-container.img
+---------------------------------------
+
+.. code-block:: bash
+
+   $ wget https://www.nxp.com/lgfiles/NMG/MAD/YOCTO/firmware-ele-imx-0.1.2-4ed450a.bin
+   $ chmod +x firmware-ele-imx-0.1.2-4ed450a.bin
+   $ ./firmware-ele-imx-0.1.2-4ed450a.bin
+   $ cp firmware-ele-imx-0.1.2-4ed450a/mx8ulpa2-ahab-container.img $(srctree)
+
+Build U-Boot
+------------
+
+.. code-block:: bash
+
+   $ export CROSS_COMPILE=aarch64-poky-linux-
+   $ make imx8ulp_evk_defconfig
+   $ make
+
+Burn the flash.bin to MicroSD card offset 32KB:
+
+.. code-block:: bash
+
+   $ dd if=flash.bin of=/dev/sd[x] bs=1024 seek=32 conv=notrunc
+
+Boot
+----
+
+Set Boot switch to SD boot