flashrom: append -chromebook to pname and $out/bin-name when forChromebook==true

src/util/flashrom/default.nix

@@ -10,12 +10,13 @@
 
 # use google's out-of-tree flashrom which can manipulate the
 # write-protection registers of the chromebooks' on-board flash
-# chips
+# chips and can also write to the embedded controller (EC) flash,
+# which is a separate chip
 , forChromebook ? false
 }:
 
 stdenv.mkDerivation {
-  pname = "flashrom";
+  pname = "flashrom${lib.optionalString forChromebook "-chromebook"}";
   version = if !forChromebook then "1.2+wp" else "0.9.9+d2da98-google";
 
   src =
@@ -46,9 +47,13 @@ stdenv.mkDerivation {
   makeFlags = if !forChromebook then [
     "PREFIX=$(out)" "libinstall"
   ] else [
-    "PREFIX=$(out)" "install"
+    "PREFIX=$(out)"
   ];
 
+  postInstall = lib.optionalString forChromebook ''
+    mv $out/sbin/flashrom $out/sbin/flashrom-chromebook
+  '';
+
   meta = with lib; {
     homepage = "https://www.flashrom.org";
     description = "Utility for reading, writing, erasing and verifying flash ROM chips";