Disable PSR1 on XPS IPS and OLED. XPS IPS uses PSR2 (#5315)

* Disable PSR1 on XPS IPS and OLED. IPS uses PSR2

* Improve conditional flow

* Simplify the migration logic

* We don't actually need this

We are using += everywhere

---------

Co-authored-by: David Heinemeier Hansson <david@hey.com>

migrations/1776099290.sh

@@ -1,14 +1,8 @@
-echo "Add xe.enable_psr=0 to CMDLINE for XPS Panther Lake systems missing it"
+echo "Ensure xe.enable_psr=0 is set in CMDLINE for XPS Panther Lake systems"
 
-if omarchy-hw-dell-xps-oled && [ -f /etc/default/limine ]; then
-  UPDATED=false
-
-  if ! grep -q 'xe.enable_psr' /etc/default/limine; then
+if omarchy-hw-match "XPS" && omarchy-hw-intel-ptl && [[ -f /etc/default/limine ]]; then
+  if ! grep -Fq 'xe.enable_psr=0' /etc/default/limine; then
     echo 'KERNEL_CMDLINE[default]+=" xe.enable_psr=0"' | sudo tee -a /etc/default/limine >/dev/null
-    UPDATED=true
-  fi
-
-  if $UPDATED; then
     sudo limine-mkinitcpio
   fi
 fi