package flash-kernel 3.90ubuntu3 failed to install/upgrade: installed flash-kernel package post-installation script subprocess returned error exit status 1

[ftntaiob]

os - ubuntu 18.04
arch - arm64

ProblemType: Package
DistroRelease: Ubuntu 18.04
Package: flash-kernel 3.90ubuntu3
Uname: Linux 4.9.20-Desktop-20170330-rc3 aarch64
ApportVersion: 2.20.9-0ubuntu7
Architecture: arm64
Date: Mon Apr 30 14:44:15 2018
DuplicateSignature:
 package:flash-kernel:3.90ubuntu3
 Processing triggers for flash-kernel (3.90ubuntu3) ...
 Unsupported platform.
 dpkg: error processing package flash-kernel (--configure):
  installed flash-kernel package post-installation script subprocess returned error exit status 1
ErrorMessage: installed flash-kernel package post-installation script subprocess returned error exit status 1
Python3Details: /usr/bin/python3.6, Python 3.6.5, python3-minimal, 3.6.5-3
PythonDetails: /usr/bin/python2.7, Python 2.7.15rc1, python-minimal, 2.7.15~rc1-1
RelatedPackageVersions:
 dpkg 1.19.0.5ubuntu2
 apt 1.6.1
SourcePackage: flash-kernel
Title: package flash-kernel 3.90ubuntu3 failed to install/upgrade: installed flash-kernel package post-installation script subprocess returned error exit status 1
UpgradeStatus: No upgrade log present (probably fresh install)
mtime.conffile..etc.initramfs.post-update.d.flash-kernel: 2018-04-30T15:44:25.973809

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.