Fix T2 Mac suspend and fan defaults (#6562)

* Fix T2 Mac suspend and fan defaults

* Avoid repeated T2 boot image rebuilds

* Harden T2 migration test matching

install/hardware/apple/fix-t2.sh

@@ -8,15 +8,10 @@ if lspci -nn | grep -q "106b:180[12]"; then
     linux-t2-headers \
     apple-t2-audio-config \
     apple-bcm-firmware \
-    t2fanrd \
-    tiny-dfr
+    t2fanrd
 
-  # Add user to video group (required for tiny-dfr to access /dev/dri devices)
-  usermod -aG video "$OMARCHY_INSTALL_USER"
-
-  # Enable T2 services
+  # Enable T2 fan control
   systemctl enable t2fanrd.service
-  systemctl enable tiny-dfr.service
 
   mkdir -p /etc/modules-load.d
   {
@@ -40,14 +35,22 @@ EOF
   mkdir -p /etc/limine-entry-tool.d
   cat > /etc/limine-entry-tool.d/t2-mac.conf <<'EOF'
 # Generated by Omarchy installer for T2 Mac support
-KERNEL_CMDLINE[default]+=" intel_iommu=on iommu=pt pcie_ports=compat"
+KERNEL_CMDLINE[default]+=" intel_iommu=on iommu=pt pm_async=off mem_sleep_default=deep"
 EOF
 
+  # t2fanrd only reads sections for detected fans, so Fan2 is harmless on
+  # single-fan models and required on dual-fan MacBooks.
   cat > /etc/t2fand.conf <<'EOF'
 [Fan1]
 low_temp=55
 high_temp=75
 speed_curve=linear
 always_full_speed=false
+
+[Fan2]
+low_temp=55
+high_temp=75
+speed_curve=linear
+always_full_speed=false
 EOF
 fi