treewide: name -> pname (easy cases) (#66585)

treewide replacement of

stdenv.mkDerivation rec {
  name = "*-${version}";
  version = "*";

to pname

pkgs/os-specific/linux/firmware/broadcom-bt-firmware/default.nix

@@ -4,7 +4,7 @@
 # this packages as they expect the firmware to be named "BCM.hcd"
 # see: https://github.com/NixOS/nixpkgs/pull/25478#issuecomment-299034865
 stdenv.mkDerivation rec {
-  name = "broadcom-bt-firmware-${version}";
+  pname = "broadcom-bt-firmware";
   version = "12.0.1.1012";
 
   src = fetchurl {
@@ -15,8 +15,8 @@ stdenv.mkDerivation rec {
   nativeBuildInputs = [ cabextract bt-fw-converter ];
 
   unpackCmd = ''
-    mkdir -p ${name}
-    cabextract $src --directory ${name}
+    mkdir -p ${pname}-${version}
+    cabextract $src --directory ${pname}-${version}
   '';
 
   installPhase = ''