nixos: set priorityOffset on drivers

nixos-modules/eris/cached_fs_rom.dhall

@@ -8,6 +8,7 @@ in  λ(binary : Text) →
       Child.flat
         Child.Attributes::{
         , binary
+        , priorityOffset = 2
         , resources = Sigil.Init.Resources::{
           , caps = 256
           , ram = Sigil.units.MiB 32

nixos-modules/eris/rom-vfs.dhall

@@ -11,6 +11,7 @@ in  λ(gptGuid : Text) →
       Child.flat
         Child.Attributes::{
         , binary
+        , priorityOffset = 2
         , resources
         , config = Init.Config::{
           , content = [ vfsConfig ]

nixos-modules/hardware/default.nix

@@ -75,6 +75,7 @@ in {
               Init.Child.flat
                 Init.Child.Attributes::{
                 , binary
+                , priorityOffset = 1
                 , resources = Init.Resources::{
                   , caps = 400
                   , ram = Sigil.units.MiB 4
@@ -103,6 +104,7 @@ in {
         in  λ(binary : Text) -> Init.Child.flat
               Init.Child.Attributes::{
               , binary
+              , priorityOffset = 1
               , resources = Init.Resources::{
                 , caps = 800
                 , ram = Sigil.units.MiB 4
@@ -133,6 +135,7 @@ in {
               Sigil.Init.Child.flat
                 (   (${managerConfig}).device_manager
                   ⫽ { binary = cap
+                    , priorityOffset = 1
                     , resources = Sigil.Init.Resources::{
                       , caps = 256
                       , ram = Sigil.units.MiB 8
@@ -165,6 +168,7 @@ in {
                           , service = "Block"
                           }
                         ]
+                    , priorityOffset = 2
                     }
                 )
       '';

nixos-modules/store-wrapper.dhall

@@ -66,6 +66,7 @@ in  λ ( params
                           params.subinit
                           Init.Attributes::{
                           , exitPropagate = True
+                          , priorityOffset = 3
                           , resources = Init.Resources::{
                             , ram = Sigil.units.MiB 4
                             }