add: build version arm64

Author: GerryFerdinandus

.gitmodules

@@ -1,3 +1,4 @@
 [submodule "travis-lazarus"]
 	path = travis-lazarus
-	url = https://github.com/nielsAD/travis-lazarus.git
+	url = https://github.com/GerryFerdinandus/travis-lazarus.git
+	branch = pr_fix_homebrew

.travis.yml

@@ -4,7 +4,6 @@
 # Suppress the warning with the online Travis WebLint
 # must be generic and not shell else build issue.
 language: generic
-sudo: required
 
 # Linux compability issue.
 # Need to build in xenial with lazarus 1.8.2.
@@ -19,6 +18,9 @@ matrix:
     - os: linux
       dist: xenial
       env: LAZ_VER=1.8.2 RELEASE_ZIP_FILE="trackereditor_linux_amd64.zip"
+    - os: linux
+      arch: arm64
+      env: LAZ_PKG=true RELEASE_ZIP_FILE="trackereditor_linux_arm64_arm_V8.zip"
     - os: osx
       osx_image: xcode9.4
       env: LAZ_VER=2.0.4 RELEASE_ZIP_FILE="trackereditor_macOS.zip"