build.sh: use per-project compilation database location

[nalajcie]

Fix problems with host-tools building and phoenix-builder calling.

JIRA: CI-504

Description

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (refactoring, style fixes, git/CI config, submodule management, no code logic changes)

How Has This Been Tested?

• Already covered by automatic testing.
• New test added: (add PR link here).
• Tested by hand on: NIL

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing linter checks and tests passed.
• My changes generate no new compilation warnings for any of the targets.

Special treatment

• This PR needs additional PRs to work (list the PRs, preferably in merge-order).
• I will merge this PR by myself when appropriate.

[github-actions]

📝 [shellcheck] _{reported by reviewdog 🐶}
Not following: ./build.project: openBinaryFile: does not exist (No such file or directory) SC1091

phoenix-rtos-build/build.sh

Line 47 in c79d67d

source ./build.project

[github-actions]

Unit Test Results

7 725 tests  ±0   7 010 ✅ ±0   37m 17s ⏱️ - 1m 40s
  445 suites ±0     715 💤 ±0 
    1 files   ±0       0 ❌ ±0 

Results for commit c79d67d. ± Comparison against base commit 68a2af8.

[anglov]

Note: it creates empty symlink in our build system. I think it not break anything

[nalajcie]

Note: it creates empty symlink in our build system. I think it not break anything

You mean - symlink to nonexisting file? That's ok for me, if you call build.sh via bear the target file would be created in the desired location.