[build] Do not ignore well-known debian files (#14565)

Includes the common debian files that we always want to include.

This mitigates but does not fully solve #7683 as it
could be more files that are ignored by this default rule.

Signed-off-by: Christian Svensson <blue@cmd.nu>

Author: bluecmd

.gitignore

@@ -63,6 +63,12 @@ platform/**/*.egg-info
 platform/**/*-none-any.whl
 platform/**/.pybuild
 platform/**/debian/*
+!platform/**/debian/control
+!platform/**/debian/rules
+!platform/**/debian/changelog
+!platform/**/debian/compat
+!platform/**/debian/*.postinst
+!platform/**/debian/*.install
 platform/**/build
 platform/**/*.ko
 platform/**/*.mod.c