hal: fix for open input failure while SSR is not enabled.

- Do not return failure if SSR is not enabled.

Change-Id: I49d1e47b700165f8d9fd073792eeef57b40a5cb4
diff --git a/hal/audio_hw.c b/hal/audio_hw.c
index 175c4e7..fa0ea9f 100644
--- a/hal/audio_hw.c
+++ b/hal/audio_hw.c
@@ -2557,8 +2557,7 @@
                 goto err_open;
             }
         } else {
-            ret = -EINVAL;
-            goto err_open;
+             ALOGW("%s: surround sound recording is not supported", __func__);
         }
     } else if (audio_extn_compr_cap_enabled() &&
             audio_extn_compr_cap_format_supported(config->format) &&