[Bug 1779666] Re: broadcom wifi not recognize / firmware is missing

Unable to run bug report as I have uninstalled 4.15.0-24 kernel and reverted back to 4.13.0-45. Please see provided git link for a patch by Sven Joachim, copying here again for your convenience:

[Bug 1779666] [NEW] broadcom wifi not recognize / firmware is missing

Public bug reported: After upgrading an old laptop to 4.15.0-24, wlan0 interface disappear. It seems that a patch was not merged on time. See the following links for references: https://ubuntuforums.org/showthread.php?t=2386964