Add linux-arm64 support

config/deb/control

@@ -10,7 +10,7 @@ Vcs-Browser: https://github.com/percona/percona-toolkit
 Vcs-Git: git://github.com/percona/percona-toolkit.git
 
 Package: percona-toolkit
-Architecture: amd64
+Architecture: @@ARCHITECTURE@@
 Depends: ${perl:Depends}, libdbi-perl (>= 1.13), libdbd-mysql-perl | libdbd-mysql-5.1-perl, libterm-readkey-perl (>=2.10),
     libio-socket-ssl-perl
 Description: Advanced MySQL and system command-line tools

config/rpm/percona-toolkit.spec

@@ -11,7 +11,7 @@ Vendor:    Percona
 URL:       http://www.percona.com/software/percona-toolkit/
 Source:    percona-toolkit-%{version}.tar.gz
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
-BuildArch: x86_64
+BuildArch: @@ARCHITECTURE@@
 
 BuildRequires: perl(ExtUtils::MakeMaker) make
 Requires:  perl(DBI) >= 1.13, perl(DBD::mysql) >= 1.0, perl(Time::HiRes), perl(IO::Socket::SSL), perl(Digest::MD5), perl(Term::ReadKey)

config/scripts/pt_builder.sh

@@ -323,7 +323,7 @@ build_srpm(){
     cd ${WORKDIR}/rpmbuild/SPECS
     echo '%undefine _missing_build_ids_terminate_build' | cat - percona-toolkit.spec > pt.spec && mv pt.spec percona-toolkit.spec
     echo '%define debug_package %{nil}' | cat - percona-toolkit.spec > pt.spec && mv pt.spec percona-toolkit.spec
-    sed -i "s/@@ARHITECTURE@@/x86_64/" percona-toolkit.spec
+    sed -i "s/@@ARCHITECTURE@@/x86_64/" percona-toolkit.spec
     cd ${WORKDIR}/${PRODUCT_FULL}
     rm -rf bin/govendor
     rm -rf bin/glide
@@ -417,7 +417,7 @@ build_source_deb(){
     mv ${TARFILE} ${PRODUCT}_${VERSION}.orig.tar.gz
     update_go
     cd ${WORKDIR}/${BUILDDIR}
-    sed -i 's/@@ARHITECTURE@@/amd64/' debian/control
+    sed -i 's/@@ARCHITECTURE@@/amd64/' debian/control
     cd debian
     echo "${PRODUCT} (${VERSION}) unstable; urgency=low" > changelog
     echo "  * Initial Release." >> changelog