regulator: qcom-rpmh: Add stylistic breaks in the default cases

No functional change here but it can make the code more readable to
have breaks in the "default" case even though it's the last case.
Let's add them.
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Reviewed-by: David Collins <collinsd@codeaurora.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/qcom-rpmh-regulator.c

@@ -504,6 +504,7 @@ static unsigned int rpmh_regulator_pmic4_ldo_of_map_mode(unsigned int rpmh_mode)
 		break;
 	default:
 		mode = REGULATOR_MODE_INVALID;
+		break;
 	}
 
 	return mode;
@@ -537,6 +538,7 @@ rpmh_regulator_pmic4_smps_of_map_mode(unsigned int rpmh_mode)
 		break;
 	default:
 		mode = REGULATOR_MODE_INVALID;
+		break;
 	}
 
 	return mode;
@@ -566,6 +568,7 @@ static unsigned int rpmh_regulator_pmic4_bob_of_map_mode(unsigned int rpmh_mode)
 		break;
 	default:
 		mode = REGULATOR_MODE_INVALID;
+		break;
 	}
 
 	return mode;