convert tftp.loadAddress from string to int

devices/belkin-rt3200/default.nix

@@ -38,7 +38,7 @@
     };
   };
 
-  module = {pkgs, config, lib, ... }:
+  module = {pkgs, config, lib, lim, ... }:
     let firmware = pkgs.stdenv.mkDerivation {
           name = "wlan-firmware";
           phases = ["installPhase"];
@@ -143,7 +143,7 @@
     };
     boot = {
       commandLine = [ "console=ttyS0,115200" ];
-      tftp.loadAddress =  "0x4007ff28";
+      tftp.loadAddress = lim.parseInt "0x4007ff28";
       imageFormat = "fit";
     };
     filesystem =

devices/gl-ar750/default.nix

@@ -144,7 +144,7 @@
         };
       };
       boot.tftp = {
-        loadAddress = "0x00A00000";
+        loadAddress = lim.parseInt "0x00A00000";
       };
       kernel = {
         src = pkgs.pkgsBuildBuild.fetchurl {

devices/gl-mt300a/default.nix

@@ -43,7 +43,7 @@
 
   '';
 
-  module = { pkgs, config, lib, ...}:
+  module = { pkgs, config, lib, lim, ...}:
     let
       inherit (pkgs.liminix.networking) interface;
       inherit (pkgs) openwrt;
@@ -120,7 +120,7 @@
           };
       };
       boot.tftp = {
-        loadAddress = "0x00A00000";
+        loadAddress = lim.parseInt "0x00A00000";
       };
 
       kernel = {

devices/gl-mt300n-v2/default.nix

@@ -36,7 +36,7 @@
 
   '';
 
-  module = { pkgs, config, lib, ...}:
+  module = { pkgs, config, lib, lim, ...}:
     let
       inherit (pkgs.liminix.networking) interface;
       inherit (pkgs.liminix.services) oneshot;
@@ -116,7 +116,7 @@
       boot.tftp = {
         # 20MB seems to give enough room to uncompress the kernel
         # without anything getting trodden on. 10MB was too small
-        loadAddress = "0x1400000";
+        loadAddress = lim.parseInt "0x1400000";
       };
 
       kernel = {