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/servers/mail/spamassassin/sa-update_add--siteconfigpath.patch

@@ -0,0 +1,44 @@
+From 60abf3ee8864980a95b32e2d6cf60e26b49654c0 Mon Sep 17 00:00:00 2001
+From: joachim schiele <js@lastlog.de>
+Date: Wed, 7 Jun 2017 22:15:39 +0200
+Subject: [PATCH 2/2] Adding --siteconfigpath to not be forced to use global /etc/spamasassin configuration directory but to provide an alternative location.
+
+---
+ sa-update.raw | 5 +++++
+ lib/Mail/SpamAssassin/PerMsgStatus.pm | 2 +
+ 2 file changed, 7 insertions(+), 1 deletion(-)
+
+diff --git a/sa-update.raw b/sa-update.raw
+index bb7396d..39f681f 100755
+--- a/sa-update.raw
++++ b/sa-update.raw
+@@ -196,6 +196,7 @@ GetOptions(
+   'gpgkeyfile=s'			=> \$opt{'gpgkeyfile'},
+   'channelfile=s'			=> \$opt{'channelfile'},
+   'updatedir=s'				=> \$opt{'updatedir'},
++  'siteconfigpath=s'                           => \$opt{'siteconfigpath'},
+   'gpg!'				=> \$GPG_ENABLED,
+ 
+   '4'                                   => sub { $opt{'force_pf'} = 'inet' },
+@@ -267,6 +268,9 @@ else {
+   $opt{'updatedir'} = $SA->sed_path('__local_state_dir__/__version__');
+ }
+ 
++if (defined $opt{'siteconfigpath'}) {
++  $LOCAL_RULES_DIR = untaint_file_path($opt{'siteconfigpath'});
++}
+ 
+ # check only disabled gpg
+ # https://issues.apache.org/SpamAssassin/show_bug.cgi?id=5854
+@@ -1808,7 +1812,7 @@ Options:
+   --updatedir path        Directory to place updates, defaults to the
+                           SpamAssassin site rules directory
+                           (default: @@LOCAL_STATE_DIR@@/@@VERSION@@)
++  --siteconfigpath=path   Path for site configs
+   --refreshmirrors        Force the MIRRORED.BY file to be updated
+   -D, --debug [area=n,...]  Print debugging messages
+   -v, --verbose           Be verbose, like print updated channel names;
+-- 
+
+2.12.2
+