mashu: 'Fix' indentation

hosts/mashu.nix

@@ -37,11 +37,11 @@ in mkHost config {
     boot = {
       kernelParams = [ "mem_sleep_default=deep" ];
       extraModprobeConfig = ''
-	options i915 enable_fbc=1 enable_rc6=1 modeset=1
-	options snd_hda_intel power_save=1
-	options snd_ac97_codec power_save=1
-	options iwlwifi power_save=Y
-	options iwldvm force_cam=N
+      	options i915 enable_fbc=1 enable_rc6=1 modeset=1
+      	options snd_hda_intel power_save=1
+       	options snd_ac97_codec power_save=1
+      	options iwlwifi power_save=Y
+        options iwldvm force_cam=N
       '';
       initrd = {
         availableKernelModules = [ "xhci_pci" "nvme" "usbhid" ];