Fix xtensa after binutils upgrade.

Patch from: https://bugzilla.redhat.com/show_bug.cgi?id=1404857

Signed-off-by: Alexey Neyman <stilor@att.net>

patches/binutils/2.27/999-xtensa-reverse-shift-count.patch

@@ -0,0 +1,33 @@
+From 78fb7e37eb8bb08ae537d6c487996ff17c810332 Mon Sep 17 00:00:00 2001
+From: Trevor Saunders <tbsaunde+binutils@tbsaunde.org>
+Date: Mon, 26 Sep 2016 12:42:11 -0400
+Subject: [PATCH] tc-xtensa.c: fixup xg_reverse_shift_count typo
+
+gas/ChangeLog:
+
+2016-09-26  Trevor Saunders  <tbsaunde+binutils@tbsaunde.org>
+
+	* config/tc-xtensa.c (xg_reverse_shift_count): Pass cnt_arg instead of
+	cnt_argp to concat.
+---
+ gas/ChangeLog          | 5 +++++
+ gas/config/tc-xtensa.c | 2 +-
+ 2 files changed, 6 insertions(+), 1 deletion(-)
+
+[[ ChangeLog skipped, fails to apply on 2.27 ]]
+diff --git a/gas/config/tc-xtensa.c b/gas/config/tc-xtensa.c
+index d062044..ca261ae 100644
+--- a/gas/config/tc-xtensa.c
++++ b/gas/config/tc-xtensa.c
+@@ -2228,7 +2228,7 @@ xg_reverse_shift_count (char **cnt_argp)
+   cnt_arg = *cnt_argp;
+ 
+   /* replace the argument with "31-(argument)" */
+-  new_arg = concat ("31-(", cnt_argp, ")", (char *) NULL);
++  new_arg = concat ("31-(", cnt_arg, ")", (char *) NULL);
+ 
+   free (cnt_arg);
+   *cnt_argp = new_arg;
+-- 
+2.9.3
+