target-xtensa: switch to AREG0-free mode

Add env parameter to every helper function that needs it, update
'configure' script.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/configure b/configure
index 0ecb55fc38..dd0d2b3b11 100755
--- a/configure
+++ b/configure
@@ -3675,7 +3675,7 @@ symlink "$source_path/Makefile.target" "$target_dir/Makefile"
 
 
 case "$target_arch2" in
-  alpha | sparc*)
+  alpha | sparc* | xtensa*)
     echo "CONFIG_TCG_PASS_AREG0=y" >> $config_target_mak
   ;;
 esac