qcdm: add call manager subsystem mode define for LTE

Seen on the Pantech UML290 and another Qualcomm-based LTE device.

libqcdm/src/commands.h

@@ -341,7 +341,8 @@ enum {
     QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_GSM = 3,
     QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_HDR = 4,
     QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_WCDMA = 5,
-    QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_GPS = 6
+    QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_GPS = 6,
+    QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_LTE = 9,
 };
 
 /* Values for QCDM_CMD_CM_SUBSYS_STATE_INFO_ITEM_ROAM_PREF */

libqcdm/tests/test-qcdm-com.c

@@ -962,6 +962,9 @@ test_com_cm_subsys_state_info (void *f, void *data)
     case QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_WCDMA:
         detail = "WCDMA";
         break;
+    case QCDM_CMD_CM_SUBSYS_STATE_INFO_SYSTEM_MODE_LTE:
+        detail = "LTE";
+        break;
     default:
         detail = "unknown";
         break;