configs: lito: Add orchid sound card variants

Add mixer files and sound card support for
orchid MTP variants .

Change-Id: Idc9b752930e7d3d968fa6dda567b684adc89992c
diff --git a/hal/msm8974/hw_info.c b/hal/msm8974/hw_info.c
index d8d6215..bd53fbf 100644
--- a/hal/msm8974/hw_info.c
+++ b/hal/msm8974/hw_info.c
@@ -527,6 +527,9 @@
                  sizeof("lito-lagoonqrd-snd-card"))) {
         strlcpy(hw_info->name, "lito", sizeof(hw_info->name));
         hw_info->is_stereo_spkr = false;
+    } else if (!strncmp(snd_card_name, "lito-orchidmtp-snd-card",
+                 sizeof("lito-orchidmtp-snd-card"))) {
+        strlcpy(hw_info->name, "lito", sizeof(hw_info->name));
     } else if (!strncmp(snd_card_name, "bengal-idp-snd-card",
                  sizeof("bengal-idp-snd-card"))) {
         strlcpy(hw_info->name, "bengal", sizeof(hw_info->name));