Require it explicitly. Makes it easier to understand and matches the style of other values
Questionable YAML changes (either broken before or now broken):
secureplatform: haStatCode
ptp600: receiveModulationMode
DO NOT DELETE THIS TEXT
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miss-named variable in sensor pre-caching
internal humidity and temperature was discovered twice
humidity was mis-spelled in yaml discovery
temperature and current had incorrect divisor in yaml
remove redundant fahrenheit to celsius function
fixes#7236
