wiringPi: Add udev rules to correct /dev/gpiomem permission

Signed-off-by: Yang Deokgyu <secugyu@gmail.com>

debian/odroid-wiringpi.install

@@ -2,3 +2,4 @@ debian/tmp/usr/bin
 debian/tmp/usr/man	usr/share
 README.TXT		usr/share/doc/wiringpi
 People			usr/share/doc/wiringpi
+udev/rules.d		tmp/odroid-wiringpi

debian/odroid-wiringpi.postinst

@@ -0,0 +1,47 @@
+#!/bin/sh
+
+set -e
+
+msg() {
+	echo "odroid-wiringpi: $1"
+}
+
+case "$1" in
+	configure)
+		if [ -c "/dev/gpiomem" ] && [ "$(stat -c "%a %G" "/dev/gpiomem")" != "660"*"odroid" ]; then
+			hardware=$(fgrep Hardware /proc/cpuinfo | head -1 | awk '{ printf("%s %s %s\n", $3, $4, $5) }' | xargs)
+			case "$(echo $hardware | tr [:upper:] [:lower:])" in
+				*xu4)
+					cp -f /tmp/odroid-wiringpi/rules.d/99-odroid-wiringpi-exynos.rules /etc/udev/rules.d
+					;;
+				*c1|*c2|*n2)
+					cp -f /tmp/odroid-wiringpi/rules.d/99-odroid-wiringpi-aml.rules	/etc/udev/rules.d
+					;;
+				*)
+					msg "This system seems not ODROID"
+					;;
+			esac
+
+			msg "Reload udev..."
+			[ -x "$(command -v udevadm)" ] \
+				&& udevadm trigger \
+				|| msg "udevadm not found. Please reboot to take effect"
+		else
+			msg "Not found $GPIOMEM"
+			msg "You will not be able to use WiringPi without root permission"
+		fi
+
+		msg "Remove temporary files..."
+		rm -rf /tmp/odroid-wiringpi
+	;;
+
+	abort-upgrade|abort-remove|abort-deconfigure)
+	;;
+
+	*)
+		echo "postinst called with unknown argument \`$1'" >&2
+		exit 1
+	;;
+esac
+
+exit 0

debian/odroid-wiringpi.postrm

@@ -0,0 +1,19 @@
+#!/bin/sh
+
+set -e
+
+case "$1" in
+	purge)
+		rm -f /etc/udev/rules.d/99-odroid-wiringpi-*
+	;;
+
+	remove|upgrade|failed-upgrade|abort-install|abort-upgrade|disappear)
+	;;
+
+	*)
+		echo "postrm called with unknown argument \`$1'" >&2
+		exit 1
+	;;
+esac
+
+exit 0