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/development/perl-modules/generic/builder.sh

@@ -0,0 +1,36 @@
+source $stdenv/setup
+
+PERL5LIB="$PERL5LIB${PERL5LIB:+:}$out/lib/perl5/site_perl"
+
+perlFlags=
+for i in $(IFS=:; echo $PERL5LIB); do
+    perlFlags="$perlFlags -I$i"
+done
+
+oldPreConfigure="$preConfigure"
+preConfigure() {
+
+    eval "$oldPreConfigure"
+
+    find . | while read fn; do
+        if test -f "$fn"; then
+            first=$(dd if="$fn" count=2 bs=1 2> /dev/null)
+            if test "$first" = "#!"; then
+                echo "patching $fn..."
+                sed -i "$fn" -e "s|^#\!\(.*\bperl\b.*\)$|#\!\1$perlFlags|"
+            fi
+        fi
+    done
+
+    perl Makefile.PL PREFIX=$out INSTALLDIRS=site $makeMakerFlags PERL=$(type -P perl) FULLPERL=\"$fullperl/bin/perl\"
+}
+
+if test -n "$perlPreHook"; then
+    eval "$perlPreHook"
+fi
+
+genericBuild
+
+if test -n "$perlPostHook"; then
+    eval "$perlPostHook"
+fi