Update notes for submitted changes

* icecc: exclude gmp-native from building with icecc
* icecc.bbclass: Fix different signatures with ICECC_DISABLED
* icecc: Exclude nss from building with icecc
* icecc: Exclude linux-libc-headers from building with icecc
* icecc: Exclude binutils from building with icecc
* icecc: Disable icecc a bit sooner
* icecc: Exclude various components from building with icecc
* icecc.bbclass: exclude icecc variables from signature
* webos-image: gzip=v1.3.12-0webos1