gcc: Use DWARF-4 for Zephyr

Build Zephyr debug info in DWARF-4 format instead of DWARF-5.

The Zephyr test suite uses tools that can't handle DRAWF-5 properly yet (py-elfutils), causing tests to fail if Zephyr has been built with DWARF-5.

Signed-off-by: Bernhard Rosenkränzer bernhard.rosenkraenzer.ext@huawei.com

assigned to @bero

approved this merge request

added 4 commits

• 470a5f6f...b58a945b - 2 commits from branch eclipse/oniro-core:kirkstone
• cb31856f - gcc: Add a gcc 12 snapshot
• 727c5eba - gcc: Use DWARF-4 for Zephyr

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approved this merge request

enabled an automatic merge when the pipeline for 727c5eba succeeds

added 1 commit

• 533f391b - gcc: Use DWARF-4 for Zephyr, with any version of gcc

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enabled an automatic merge when the pipeline for 533f391b succeeds

merged