regulator: devres: Fix issues with kerneldoc headers

Provide descriptions for some missing function args and
rename others to match the names used.

Fixes the following W=1 warning(s):

 drivers/regulator/devres.c:187: warning: Function parameter or member 'dev' not described in 'devm_regulator_register'
 drivers/regulator/devres.c:226: warning: Function parameter or member 'dev' not described in 'devm_regulator_unregister'
 drivers/regulator/devres.c:226: warning: Function parameter or member 'rdev' not described in 'devm_regulator_unregister'
 drivers/regulator/devres.c:226: warning: Excess function parameter 'regulator' description in 'devm_regulator_unregister'
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Link: https://lore.kernel.org/r/20200708124832.3441649-2-lee.jones@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/devres.c

@@ -173,6 +173,7 @@ static void devm_rdev_release(struct device *dev, void *res)
 
 /**
  * devm_regulator_register - Resource managed regulator_register()
+ * @dev:  device to supply
  * @regulator_desc: regulator to register
  * @config: runtime configuration for regulator
  *
@@ -216,7 +217,8 @@ static int devm_rdev_match(struct device *dev, void *res, void *data)
 
 /**
  * devm_regulator_unregister - Resource managed regulator_unregister()
- * @regulator: regulator to free
+ * @dev:  device to supply
+ * @rdev: regulator to free
  *
  * Unregister a regulator registered with devm_regulator_register().
  * Normally this function will not need to be called and the resource