setup.py: Fix/Revert classifiers.

setup.py

@@ -16,6 +16,16 @@ setup(
     python_requires      = "~=3.7",
     packages             = find_packages(exclude=("test*", "sim*", "doc*", "examples*")),
     include_package_data = True,
+    keywords             = "HDL ASIC FPGA hardware design",
+    classifiers          = [
+        "Topic :: Scientific/Engineering :: Electronic Design Automation (EDA)",
+        "Environment :: Console",
+        "Development Status :: 3 - Alpha",
+        "Intended Audience :: Developers",
+        "License :: OSI Approved :: BSD License",
+        "Operating System :: OS Independent",
+        "Programming Language :: Python",
+    ],
     entry_points={
         "console_scripts": [
             "litescope_cli=litescope.software.litescope_cli:main",