pm: policy: doc: fix spelling of help text

s/whithout/without/

Signed-off-by: Benjamin Cabé <[email protected]>

Author: kartben

subsys/pm/policy/Kconfig

@@ -38,7 +38,7 @@ config PM_POLICY_LATENCY_STANDALONE
 	depends on !PM
 	help
 	  This option allows using the pm_policy_latency* APIs to gather latency
-	  requirements on systems that do not support PM (e.g. systems whithout
+	  requirements on systems that do not support PM (e.g. systems without
 	  CPU idle states). Because the API has a subscription mechanism, it can
 	  be useful to perform system-level adjustments based on latency
 	  requirements gathered from multiple system components.