Added instructions for project configuration

IDE/MPLAB/README.md

@@ -63,7 +63,6 @@ cp src/keystore.c IDE/MPLAB/test
 ```
 
 
-
 ### Compiling and linking the images
 
 Now both projects (wolfboot and test-app) can be compiled and linked.
@@ -87,6 +86,15 @@ could be created in the include/ directory by running `make`, which will be base
 on the chosen configuration via the `.config` file. If a custom `target.h` is created
 by `make`, the demo version in `include/MPLAB` can be removed.
 
+The wolfBoot project should build with no modifications to the project, because it
+does not use any .c files from the manufacturer's BSP.
+
+On the other hand, the application uses the Harmony libraries to access the UART
+USB and other peripherals. To generate the necessary files, once you open the
+project in MPLAB X IDE, click on the MCC icon on top, then click on "Generate" to
+download the latest Microchip libraries and device support in your local repository.
+
+
 ### Converting to .bin format
 
 MPLAB ide produces executables of the bootloader and the test firmware images in