bmx7: clean up Makefile and add test-version.sh - #1194

Checking PR #1194: bmx7: clean up Makefile and add test-version.sh (Makefile Audit)

Commit 207c5a8 - bmx7: clean up Makefile:

✅ Makefile contains valid assignment operators and no spaces after ':='
✅ Makefile blocks contain valid indentation (spaces for metadata/description, tabs for build/install recipes)
✅ Makefile does not reuse PKG_NAME in call, define, or eval lines
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Commit d5bf0be - bmx7: add test-version.sh for CI runtime tests:

✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Commit 6e1e587 - bmx7: correct the reason recorded in test-version.sh:

✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Commit e42b199 - bmx7: add the trailing slash to the /etc/bmx7 conffiles entry:

✅ Makefile conffiles block contains no spaces or indentation and paths are correctly formatted
✅ Makefile contains valid assignment operators and no spaces after ':='
✅ Makefile blocks contain valid indentation (spaces for metadata/description, tabs for build/install recipes)
✅ Makefile does not reuse PKG_NAME in call, define, or eval lines
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Commit 9f99383 - bmx7: build in parallel:

✅ Makefile contains valid assignment operators and no spaces after ':='
✅ Makefile blocks contain valid indentation (spaces for metadata/description, tabs for build/install recipes)
✅ Makefile does not reuse PKG_NAME in call, define, or eval lines
✅ File additions contain clean UNIX (LF) line termination
✅ All modified files contain a trailing newline

Package Release Audit:

✅ Package bmx7 version unchanged, but PKG_RELEASE bumped from '2' to '3'