uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/build-support/kernel/paths-from-graph.pl

@@ -0,0 +1,68 @@
+# NOTE: this script is deprecated. Use closureInfo instead.
+
+# Parses a /nix/store/*-closure file and prints
+# various information.
+# By default, the nodes in the graph are printed to stdout.
+# If printRegistration is set, then the graph is written
+# as a registration file for a manifest is written
+# in the `nix-store --load-db' format.
+
+use strict;
+use File::Basename;
+
+my %storePaths;
+my %refs;
+
+# Each argument on the command line is a graph file.
+# The graph file contains line-triples and a variable
+# number of references:
+# <store-path>
+# <deriver>
+# <count>
+# <ref-#1>
+# ...
+# <ref-#count>
+foreach my $graph (@ARGV) {
+    open GRAPH, "<$graph" or die;
+
+    while (<GRAPH>) {
+        chomp;
+        my $storePath = "$_";
+        $storePaths{$storePath} = 1;
+
+        my $deriver = <GRAPH>; chomp $deriver;
+        my $count = <GRAPH>; chomp $count;
+
+        my @refs = ();
+        for (my $i = 0; $i < $count; ++$i) {
+            my $ref = <GRAPH>; chomp $ref;
+            push @refs, $ref;
+        }
+        $refs{$storePath} = \@refs;
+        
+    }
+    
+    close GRAPH;
+}
+
+
+if ($ENV{"printRegistration"} eq "1") {
+    # This is the format used by `nix-store --register-validity
+    # --hash-given' / `nix-store --load-db'.
+    foreach my $storePath (sort (keys %storePaths)) {
+        print "$storePath\n";
+        print "0000000000000000000000000000000000000000000000000000000000000000\n"; # !!! fix
+        print "0\n"; # !!! fix	
+        print "\n"; # don't care about preserving the deriver
+        print scalar(@{$refs{$storePath}}), "\n";
+        foreach my $ref (@{$refs{$storePath}}) {
+            print "$ref\n";
+        }
+    }
+}
+
+else {
+    foreach my $storePath (sort (keys %storePaths)) {
+        print "$storePath\n";
+    }
+}