[PATCH v2 17/24] dtoc: Add support for building a dtoc PyPi package

[Simon Glass]

Create the necessary files to build this new package.

This is needed for binman.

Move the main program into a function so that it can easily be called by
the PyPi-created script.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

(no changes since v1)

 Makefile                  |  1 +
 tools/dtoc/README.rst     | 15 +++++++++++++++
 tools/dtoc/pyproject.toml | 26 ++++++++++++++++++++++++++
 3 files changed, 42 insertions(+)
 create mode 100644 tools/dtoc/README.rst
 create mode 100644 tools/dtoc/pyproject.toml

Applied to u-boot-dm/next, thanks!