gcc: xtensa: fix PR target/102336

2021-09-14  Max Filippov  <jcmvbkbc@gmail.com>
gcc/
	PR target/102336
	* config/xtensa/t-xtensa (TM_H): Add include/xtensa-config.h.
diff --git a/gcc/config/xtensa/t-xtensa b/gcc/config/xtensa/t-xtensa
index 973815c..d06e492 100644
--- a/gcc/config/xtensa/t-xtensa
+++ b/gcc/config/xtensa/t-xtensa
@@ -16,4 +16,5 @@
 # along with GCC; see the file COPYING3.  If not see
 # <http://www.gnu.org/licenses/>.
 
+TM_H += $(srcdir)/../include/xtensa-config.h
 $(out_object_file): gt-xtensa.h