nixfmt-rfc-style

There is nothing in this commit except for the changes made by
nix-shell -p nixfmt-rfc-style --run "nixfmt ."

If this has mucked up your open branches then sorry about that. You
can probably nixfmt them to match before merging

pkgs/kernel/uimage.nix

@@ -1,10 +1,10 @@
 {
-  lzma
-, stdenv
-, ubootTools
-, dtc
-, lib
-} :
+  lzma,
+  stdenv,
+  ubootTools,
+  dtc,
+  lib,
+}:
 let
   objcopy = "${stdenv.cc.bintools.targetPrefix}objcopy";
   arch = stdenv.hostPlatform.linuxArch;
@@ -12,21 +12,29 @@ let
     ${objcopy} -O binary -R .reginfo -R .notes -R .note -R .comment -R .mdebug -R .note.gnu.build-id -S vmlinux.elf vmlinux.bin
     rm -f vmlinux.bin.lzma ; lzma -k -z  vmlinux.bin
   '';
-in {
-  kernel
-, commandLine
-, commandLineDtbNode ? "bootargs"
-, entryPoint
-, extraName ? ""                # e.g. socFamily
-, loadAddress
-, imageFormat
-, alignment ? null
-, dtb ? null
-} : stdenv.mkDerivation {
+in
+{
+  kernel,
+  commandLine,
+  commandLineDtbNode ? "bootargs",
+  entryPoint,
+  extraName ? "", # e.g. socFamily
+  loadAddress,
+  imageFormat,
+  alignment ? null,
+  dtb ? null,
+}:
+stdenv.mkDerivation {
   name = "kernel.image";
   phases = [
     "preparePhase"
-    (if commandLine != null then assert dtb != null; "mungeDtbPhase" else ":")
+    (
+      if commandLine != null then
+        assert dtb != null;
+        "mungeDtbPhase"
+      else
+        ":"
+    )
     (if imageFormat == "fit" then "buildPhaseFIT" else "buildPhaseUImage")
     "installPhase"
   ];
@@ -71,7 +79,9 @@ in {
         };
     };
     _VARS
-    mkimage -f mkimage.its -E ${lib.optionalString (alignment != null) "-B 0x${lib.toHexString alignment}"} kernel.uimage
+    mkimage -f mkimage.its -E ${
+      lib.optionalString (alignment != null) "-B 0x${lib.toHexString alignment}"
+    } kernel.uimage
     mkimage -l kernel.uimage
   '';