add ability to run pre-install scripts in l-m-c for hwpacks
This fixes the scenario for snowball where it has a click-through
license in the debconf scripts.
diff --git a/ste-preinstall.sh b/ste-preinstall.sh
new file mode 100755
index 0000000..2ca9a38
--- /dev/null
+++ b/ste-preinstall.sh
@@ -0,0 +1,15 @@
+#!/bin/bash
+
+# This script sets the debconf setting so that snowball
+# hardware packs won't prompt for user input in l-m-c
+
+CFILE=/var/cache/debconf/config.dat
+
+cat >> $CFILE <<EOF
+Name: ste-lla/accepted
+Template: ste-lla/accepted
+Value: true
+Owners: lbsd, mali400-dev, startupfiles, ux500-firmware
+Flags: seen
+
+EOF