docs: zephyr: add "Installing Requirements and Dependencies"
This patch documents requirements and dependencies necessary to build
mcuboot on Zephyr.
@@ -27,6 +27,15 @@ flash partitions defined is the frdm_k64f's in
`boards/arm/frdm_k64f/frdm_k64f.dts`. Make sure the labels in your board's
`.dts` file match the ones used there.
+## Installing Requirements and Dependencies
+
+Install additional packages required for development with mcuboot:
+
+```
+ cd ~/mcuboot # or to your directory where mcuboot is cloned
+ pip3 install --user -r scripts/requirements.txt
+```
+
## Building the bootloader itself
The bootloader is an ordinary Zephyr application, at least from
