ghostscript: 9.21 -> 9.23

1. Drop backported patches
- CVE-2017-7207.patch
- CVE-2017-5951.patch
- CVE-2017-7975.patch
- CVE-2017-9216.patch
- CVE-2017-9611.patch
- CVE-2017-9612.patch
- CVE-2017-9739.patch
- CVE-2017-9726.patch
- CVE-2017-9727.patch
- CVE-2017-9835.patch
- CVE-2017-11714.patch

2. Rebase to 9.23
- ghostscript-9.15-parallel-make.patch
- ghostscript-9.16-Werror-return-type.patch
- do-not-check-local-libpng-source.patch
- avoid-host-contamination.patch
- mkdir-p.patch
- ghostscript-9.21-prevent_recompiling.patch
- ghostscript-9.02-genarch.patch
- cups-no-gcrypt.patch
- ghostscript-9.21-native-fix-disable-system-libtiff.patch
- base-genht.c-add-a-preprocessor-define-to-allow-fope.patch

3. Add packps from (native to target) to support cross compiling.

4. Add remove-direct-symlink.patch to fix
   do_populate_sysroot failure

(From OE-Core rev: f8b4636472c6784fb78ca09a7dd7ebe53011f631)

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-extended/ghostscript/ghostscript/avoid-host-contamination.patch

@@ -1,14 +1,25 @@
+From 0ccbaa134093bf6afc79f2d20d061bca5a8754ed Mon Sep 17 00:00:00 2001
+From: Kai Kang <kai.kang@windriver.com>
+Date: Thu, 29 Mar 2018 16:02:05 +0800
+Subject: [PATCH 04/10] avoid host contamination
+
 Remove hardcode path refer to host to avoid host contamination.
 
 Upstream-Status: Inappropriate [embedded specific]
 
 Signed-off-by: Kai Kang <kai.kang@windriver.com>
+
+Rebase to 9.23
+Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
 ---
+ devices/devs.mak | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
 diff --git a/devices/devs.mak b/devices/devs.mak
-index 3070d2e..df663f0 100644
+index 846aa50..9570182 100644
 --- a/devices/devs.mak
 +++ b/devices/devs.mak
-@@ -546,7 +546,7 @@ $(DEVOBJ)gdevxalt.$(OBJ) : $(DEVSRC)gdevxalt.c $(GDEVX) $(math__h) $(memory__h)\
+@@ -393,7 +393,7 @@ $(DEVOBJ)gdevxalt.$(OBJ) : $(DEVSRC)gdevxalt.c $(GDEVX) $(math__h) $(memory__h)\
  ### NON PORTABLE, ONLY UNIX WITH GCC SUPPORT
  
  $(DEVOBJ)X11.so : $(x11alt_) $(x11_) $(DEVS_MAK) $(MAKEDIRS)
@@ -17,3 +28,6 @@ index 3070d2e..df663f0 100644
  
  ###### --------------- Memory-buffered printer devices --------------- ######
  
+-- 
+1.8.3.1
+