MLBEDSW-4783: Add config file directory structure

Add directory structure to support third party config files. Config
files should now be placed in an appropriately named directory under
the config_files directory, but can also be accessed by providing its
absolute path to vela --config.

Signed-off-by: Rickard Bolin <rickard.bolin@arm.com>
Change-Id: I2fcf52e7b2ddd2c4491dc370c85c0b3937d18062
diff --git a/setup.py b/setup.py
index 244fc4e..d6e03b1 100644
--- a/setup.py
+++ b/setup.py
@@ -83,12 +83,14 @@
     ],
     keywords=["ethos-u", "vela compiler", "tflite", "npu"],
     packages=[
+        "ethosu",
         "ethosu.vela",
         "ethosu.vela.ethos_u55_regs",
         "ethosu.vela.tflite",
         "ethosu.vela.tosa",
         "ethosu.mlw_codec",
     ],
+    package_data={"ethosu": ["config_files/*/*.ini"]},
     python_requires="~=3.7",
     install_requires=[
         "flatbuffers==1.12.0",