perf: Pinned kernel before the LED driver; steamos-manager after cecd

With the kernel pin ticked, install 7.1.6-1 before the LED driver, so DKMS
builds it once. steamos-manager checks for cecd only at its start: order it
after cecd.

steamify.sh

@@ -15,7 +15,7 @@
 set -uo pipefail
 
 # Release version, see CHANGELOG.md.
-VERSION=1.1.0
+VERSION=1.1.1
 
 SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"