[lldb] [test] Disable gmodules testing on FreeBSD

The -gmodule tests currently fail on FreeBSD due to include bugs:
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=264730

Sponsored by: The FreeBSD Foundation
Differential Revision: https://reviews.llvm.org/D128034

Author: Michał Górny

lldb/packages/Python/lldbsuite/test/test_categories.py

@@ -64,7 +64,7 @@ def is_supported_on_platform(category, platform, compiler_path):
         return platform in ["darwin", "macosx", "ios", "watchos", "tvos", "bridgeos"]
     elif category == "gmodules":
         # First, check to see if the platform can even support gmodules.
-        if platform not in ["freebsd", "darwin", "macosx", "ios", "watchos", "tvos", "bridgeos"]:
+        if platform not in ["darwin", "macosx", "ios", "watchos", "tvos", "bridgeos"]:
             return False
         return gmodules.is_compiler_clang_with_gmodules(compiler_path)
     return True