Core 3.1.0 missing flag -DCHIP_HAVE_CONFIG_H in pioarduino build script

[Jason2866]

Checklist

• Checked the issue tracker for similar issues to ensure this is not a duplicate
• Read the documentation to confirm the issue is not addressed there and your configuration is set correctly
• Tested with the latest version to ensure the issue hasn't been fixed

How often does this bug occurs?

always

Expected behavior

Compile Matter code with pioarduino is successful

Actual behavior (suspected bug)

Compile stops since -DCHIP_HAVE_CONFIG_H is missing

Error logs or terminal output

No response

Steps to reproduce the behavior

Try to compile Matter example

Project release version

Arduino Core 3.1.0

System architecture

Intel/AMD 64-bit (modern PC, older Mac)

Operating system

MacOS

Operating system version

every

Shell

ZSH

Additional context

Fix is adding -DCHIP_HAVE_CONFIG_H to pioarduino_end.txt