APPLIED: [Focal][Pull][linux-firmware] update sof firmwares to v1.4.2

[Seth Forshee]

On Fri, Mar 06, 2020 at 12:29:48AM +0800, anthony.wong at canonical.com wrote:
> BugLink: https://bugs.launchpad.net/bugs/1860697
> 
> The following changes since commit cbbd5d5d14e09477548fa64a0bd505d56366a38e:
> 
>   UBUNTU: Ubuntu-1.186 (2020-01-31 09:48:22 -0600)
> 
> are available in the Git repository at:
> 
>   https://git.launchpad.net/~anthonywong/ubuntu/+source/linux-firmware focal-sof-1.4.2
> 
> for you to fetch changes up to 460149828f5f97e3405db3c671698d5f10577f50:
> 
>   UBUNTU: SAUCE: update sof firmwares to v1.4.2 (2020-03-05 23:11:03 +0800)

Applied for focal, thanks!