BaseTools: Script for converting .aml to .hex

The "-tc" option of the iasl compiler allows to generate a
.hex file containing a C array storing AML bytecode.

An online discussion suggested that this "-tc" option
was specific to the iasl compiler and it shouldn't be relied
on. This conversation is available at:
https://edk2.groups.io/g/devel/topic/39786201#49659

A way to address this issue is to implement a compiler
independent script that takes an AML file as input, and
generates a .hex file.

This patch implements a Python script that converts an AML
file to a .hex file, containing a C array storing AML bytecode.
This scipt has been tested with the AML output from the
following compilers supported by the EDKII implementation:
  * Intel ASL compiler
  * Microsoft ASL compiler

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Bob Feng <bob.c.feng@intel.com>

BaseTools/BinWrappers/PosixLike/AmlToHex

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+#python `dirname $0`/RunToolFromSource.py `basename $0` $*
+
+# If a ${PYTHON_COMMAND} command is available, use it in preference to python
+if command -v ${PYTHON_COMMAND} >/dev/null 2>&1; then
+    python_exe=${PYTHON_COMMAND}
+fi
+
+full_cmd=${BASH_SOURCE:-$0} # see http://mywiki.wooledge.org/BashFAQ/028 for a discussion of why $0 is not a good choice here
+dir=$(dirname "$full_cmd")
+exe=$(basename "$full_cmd")
+
+export PYTHONPATH="$dir/../../Source/Python${PYTHONPATH:+:"$PYTHONPATH"}"
+exec "${python_exe:-python}" "$dir/../../Source/Python/$exe/$exe.py" "$@"