SWDEV-488771 - Adding build dependency on LLVM

Change-Id: I63c381a406ee4b0211a4f5a6c9c519eb7313b6c1

docs/install/build.rst

@@ -21,6 +21,12 @@ Check and install ``CppHeaderParser`` package using the command:
 
    pip3 install CppHeaderParser
 
+Install ``ROCm LLVM`` package using the command:
+
+.. code-block:: shell
+
+   apt-get install rocm-llvm-dev
+
 
 .. _Building the HIP runtime: