params: make parameter units more consistent (#15502)

src/modules/mc_pos_control/mc_pos_control_params.c

@@ -465,7 +465,7 @@ PARAM_DEFINE_FLOAT(MPC_VELD_LP, 5.0f);
  *
  * Maximum deceleration for MPC_POS_MODE 1. Maximum acceleration and deceleration for MPC_POS_MODE 3.
  *
- * @unit m/s/s
+ * @unit m/s^2
  * @min 2.0
  * @max 15.0
  * @increment 1
@@ -479,7 +479,7 @@ PARAM_DEFINE_FLOAT(MPC_ACC_HOR_MAX, 5.0f);
  *
  * Note: In manual, this parameter is only used in MPC_POS_MODE 1.
  *
- * @unit m/s/s
+ * @unit m/s^2
  * @min 2.0
  * @max 15.0
  * @increment 1
@@ -494,7 +494,7 @@ PARAM_DEFINE_FLOAT(MPC_ACC_HOR, 3.0f);
  *
  * Note: This is only used when MPC_POS_MODE is set to 1.
  *
- * @unit m/s/s
+ * @unit m/s^2
  * @min 0.5
  * @max 10.0
  * @increment 1
@@ -506,7 +506,7 @@ PARAM_DEFINE_FLOAT(MPC_DEC_HOR_SLOW, 5.0f);
 /**
  * Maximum vertical acceleration in velocity controlled modes upward
  *
- * @unit m/s/s
+ * @unit m/s^2
  * @min 2.0
  * @max 15.0
  * @increment 1
@@ -518,7 +518,7 @@ PARAM_DEFINE_FLOAT(MPC_ACC_UP_MAX, 4.0f);
 /**
  * Maximum vertical acceleration in velocity controlled modes down
  *
- * @unit m/s/s
+ * @unit m/s^2
  * @min 2.0
  * @max 15.0
  * @increment 1
@@ -538,7 +538,7 @@ PARAM_DEFINE_FLOAT(MPC_ACC_DOWN_MAX, 3.0f);
  *
  * Note: This is only used when MPC_POS_MODE is set to a smoothing mode 1 or 3.
  *
- * @unit m/s/s/s
+ * @unit m/s^3
  * @min 0.5
  * @max 500.0
  * @increment 1
@@ -561,7 +561,7 @@ PARAM_DEFINE_FLOAT(MPC_JERK_MAX, 8.0f);
  *
  * Note: This is only used when MPC_POS_MODE is set to 1.
  *
- * @unit m/s/s/s
+ * @unit m/s^3
  * @min 0
  * @max 30.0
  * @increment 1
@@ -577,7 +577,7 @@ PARAM_DEFINE_FLOAT(MPC_JERK_MIN, 8.0f);
  * A lower value leads to smoother vehicle motions, but it also limits its
  * agility.
  *
- * @unit m/s/s/s
+ * @unit m/s^3
  * @min 1.0
  * @max 80.0
  * @increment 1