AP_InertialSensor: vibe units m/s/s

also specify no multiplier

libraries/AP_InertialSensor/LogStructure.h

@@ -119,7 +119,7 @@ struct PACKED log_Vibe {
     { LOG_IMU_MSG, sizeof(log_IMU), \
       "IMU",  "QBffffffIIfBBHH", "TimeUS,I,GyrX,GyrY,GyrZ,AccX,AccY,AccZ,EG,EA,T,GH,AH,GHz,AHz", "s#EEEooo--O--zz", "F-000000-----00" , true }, \
     { LOG_VIBE_MSG, sizeof(log_Vibe), \
-      "VIBE", "QBfffI", "TimeUS,IMU,VibeX,VibeY,VibeZ,Clip", "s#----", "F-----" , true }, \
+      "VIBE", "QBfffI", "TimeUS,IMU,VibeX,VibeY,VibeZ,Clip", "s#ooo-", "F-000-" , true }, \
     { LOG_ISBH_MSG, sizeof(log_ISBH), \
       "ISBH", "QHBBHHQf", "TimeUS,N,type,instance,mul,smp_cnt,SampleUS,smp_rate", "s-----sz", "F-----F-" },  \
     { LOG_ISBD_MSG, sizeof(log_ISBD), \