Submitted upstream (see:
https://lists.denx.de/pipermail/u-boot/2023-July/521984.html)

diff --git a/tools/u_boot_pylib/pyproject.toml b/tools/u_boot_pylib/pyproject.toml
index 3f33caf6f8..037c5d629e 100644
--- a/tools/u_boot_pylib/pyproject.toml
+++ b/tools/u_boot_pylib/pyproject.toml
@@ -9,7 +9,7 @@ authors = [
   { name="Simon Glass", email="sjg@chromium.org" },
 ]
 description = "U-Boot python library"
-readme = "README.md"
+readme = "README.rst"
 requires-python = ">=3.7"
 classifiers = [
     "Programming Language :: Python :: 3",
@@ -20,3 +20,7 @@ classifiers = [
 [project.urls]
 "Homepage" = "https://u-boot.readthedocs.io"
 "Bug Tracker" = "https://source.denx.de/groups/u-boot/-/issues"
+
+[tool.setuptools.packages.find]
+where = [".."]
+include = ["u_boot_pylib*"]