pw_arduino_build: Fix missing files from setup.py

Change-Id: Ie8ebbc113ee25858e3af6829b343dd0cf2c950ee
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/29484
Commit-Queue: Anthony DiGirolamo <tonymd@google.com>
Reviewed-by: Keir Mierle <keir@google.com>
diff --git a/pw_arduino_build/py/setup.py b/pw_arduino_build/py/setup.py
index 796a617..cfcd6b6 100644
--- a/pw_arduino_build/py/setup.py
+++ b/pw_arduino_build/py/setup.py
@@ -23,8 +23,11 @@
     description='Target-specific python scripts for the arduino target',
     packages=setuptools.find_packages(),
     package_data={
-        'pw_arduino_build':
-        ['py.typed', 'core_patches/teensy/01-teensyduino_1.53-cpp17.diff']
+        'pw_arduino_build': [
+            'core_patches/teensy/01-teensyduino_1.53-cpp17.diff',
+            'core_patches/teensy/02-teensy4_nonstatic_flash_functions.diff'
+            'py.typed',
+        ]
     },
     zip_safe=False,
     entry_points={