Don't try to install pleroma on 64bit arm

src/freedombone-app-gnusocial

 
     # Currently Pleroma won't install on ARM systems
     # because it uses node-sass which doesn't support ARM
-    if [[ "$(arch)" == "arm"* ]]; then
+    if [[ "$(arch)" == "arm"* || "$(arch)" == "aarch"* ]]; then
         echo -m $'WARNING: Pleroma currently does not support ARM '
         echo $'architecture, so it will not be installed'
     else

src/freedombone-app-postactiv

 
     # Currently Pleroma won't install on ARM systems
     # because it uses node-sass which doesn't support ARM
-    if [[ "$(arch)" == "arm"* ]]; then
+    if [[ "$(arch)" == "arm"* || "$(arch)" == "aarch"* ]]; then
         echo -m $'WARNING: Pleroma currently does not support ARM '
         echo $'architecture, so it will not be installed'
     else