Improved architecture test

Update changelog

debian/changelog

@@ -1,3 +1,13 @@
+raspi-config (20171127) stretch; urgency=medium
+
+  * Allow entering SSID and passphrase (#68)
+  * Console keyboard layout changes effective immediately (#67)
+  * Formatting fixes (#70)
+  * Add non-interactive timezone, locale and keyboard configuration
+  * Modify architecture test for piserver
+
+ -- Simon Long <simon@raspberrypi.org>  Mon, 27 Nov 2017 10:14:37 +0000
+
 raspi-config (20170926) stretch; urgency=medium
 
   * Add option to enable predictable network interface names

raspi-config

@@ -9,8 +9,12 @@ BLACKLIST=/etc/modprobe.d/raspi-blacklist.conf
 CONFIG=/boot/config.txt
 
 is_pi () {
-  grep -q "^model name\s*:\s*ARMv" /proc/cpuinfo
-  return $?
+  ARCH=$(dpkg --print-architecture)
+  if [ "$ARCH" = "armhf" ] ; then
+    return 0
+  else
+    return 1
+  fi
 }
 
 if is_pi ; then