chroot: dont break rcn-ee.conf

Signed-off-by: Robert Nelson <robertcnelson@gmail.com>

scripts/chroot.sh

@@ -292,7 +292,7 @@ debian)
 
 	#Backward compatibility, as setup_sdcard.sh expects [lsb_release -si > /etc/rcn-ee.conf]
 	echo "distro=Debian" > /tmp/rcn-ee.conf
-	echo "deb_distribution=Debian" > /tmp/rcn-ee.conf
+	echo "deb_distribution=Debian" >> /tmp/rcn-ee.conf
 	echo "rfs_username=${rfs_username}" >> /tmp/rcn-ee.conf
 	echo "release_date=${time}" >> /tmp/rcn-ee.conf
 	echo "third_party_modules=${third_party_modules}" >> /tmp/rcn-ee.conf
@@ -329,7 +329,7 @@ ubuntu)
 
 	#Backward compatibility, as setup_sdcard.sh expects [lsb_release -si > /etc/rcn-ee.conf]
 	echo "distro=Ubuntu" > /tmp/rcn-ee.conf
-	echo "deb_distribution=Ubuntu" > /tmp/rcn-ee.conf
+	echo "deb_distribution=Ubuntu" >> /tmp/rcn-ee.conf
 	echo "rfs_username=${rfs_username}" >> /tmp/rcn-ee.conf
 	echo "release_date=${time}" >> /tmp/rcn-ee.conf
 	sudo mv /tmp/rcn-ee.conf ${tempdir}/etc/rcn-ee.conf