target/arm: Pass env pointer through to gvec_bfmmla helper

Pass the env pointer through to the gvec_bfmmla helper,
so we can use it to add support for FEAT_EBF16.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/target/arm/helper.h b/target/arm/helper.h
index e197b5b..b463be3 100644
--- a/target/arm/helper.h
+++ b/target/arm/helper.h
@@ -1032,8 +1032,8 @@
 DEF_HELPER_FLAGS_6(gvec_bfdot_idx, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, env, i32)
 
-DEF_HELPER_FLAGS_5(gvec_bfmmla, TCG_CALL_NO_RWG,
-                   void, ptr, ptr, ptr, ptr, i32)
+DEF_HELPER_FLAGS_6(gvec_bfmmla, TCG_CALL_NO_RWG,
+                   void, ptr, ptr, ptr, ptr, env, i32)
 
 DEF_HELPER_FLAGS_6(gvec_bfmlal, TCG_CALL_NO_RWG,
                    void, ptr, ptr, ptr, ptr, ptr, i32)