recovery: Always allow the CM release key

Avoid the "Untrusted" warning in recovery when flashing a CM-signed
build

ANDROIDARMV6: Configured for androidarmv6
FIX FORCE PUSH: https://github.com/androidarmv6/android_build/commit/8ae942b2113b5c660b3a9454723cd96adbe3d2a4

Change-Id: I13900bd7e2539fdc7442477a844391b8c5d87dda