Fixup kata RELEASE build handling.
Fixup kata RELEASE build handling.

- the RELEASE setting is a boolean, correct cmake check
- explicitly force log-level=0 & debug=true in cargo profile.dev entries

NB: to switch between RELEASE + non-RELEASE builds do "m clean",
  change easy-settings.cmake, then "m kata"
Change-Id: If56cd855a9f30313e264a808c0c12df0532194a0
GitOrigin-RevId: b15be5feba41a19a71ff86f00fee0b7bd0942049

AmbiML/sparrow-kata,AmbiML/sparrow-kata,AmbiML/sparrow-kata