chore: format repo using treefmt-nix and nixfmt-rfc-style

purism/librem/5r4/u-boot/default.nix

@@ -1,4 +1,12 @@
-{ stdenv, gcc11Stdenv, buildUBoot, fetchurl, fetchFromGitLab, lib, bison }:
+{
+  stdenv,
+  gcc11Stdenv,
+  buildUBoot,
+  fetchurl,
+  fetchFromGitLab,
+  lib,
+  bison,
+}:
 let
   firmware-imx = stdenv.mkDerivation (fa: {
     pname = "firmware-imx";
@@ -20,7 +28,7 @@ let
     meta.license = lib.licenses.unfree;
   });
 
-  arm-trusted-firmware-imx8mq = gcc11Stdenv.mkDerivation (fa: {
+  arm-trusted-firmware-imx8mq = gcc11Stdenv.mkDerivation (_fa: {
     pname = "arm-trusted-firmware-bl31";
     version = "unstable-2020-07-08";
     src = fetchFromGitLab {
@@ -33,7 +41,10 @@ let
     enableParallelBuilding = true;
     hardeningDisable = [ "all" ];
     NIX_LDFLAGS = "--no-warn-rwx-segments";
-    buildFlags = [ "PLAT=imx8mq" "bl31" ];
+    buildFlags = [
+      "PLAT=imx8mq"
+      "bl31"
+    ];
     installPhase = ''
       mkdir -p $out
       cp build/imx8mq/release/bl31.bin $out
@@ -51,7 +62,7 @@ let
       rev = "956aa590c93977992743b41c45d3c7ee5a024915"; # this is the latest commit on the upstream/librem5 branch
       hash = "sha256-MsIIlarN+WFFEzc0ptLAgS7BwJ6Cosy42xo0EwPn1AU=";
     };
-    patches = [];
+    patches = [ ];
     BL31 = "${arm-trusted-firmware-imx8mq}/bl31.bin";
     preConfigure = ''
       cp $BL31 .