[arch-dev-public] [signoff] iwlwifi-3945-ucode 15.28.2.8

This package contains both the version 15.28.1.8 (API version 1, for current driver versions) and 15.28.2.8 (API version 2, for future driver versions) of the iwl3945 ucode. Tested on x86_64, please sign off.