net: lib: nrf_provisioning: Improve interval logs

Indicate the units of time as well as the purpose for
reconnecting. Log at the INF level.

See ticket for reasoning.

Jira: IRIS-9151

Signed-off-by: Pete Skeggs <[email protected]>

Author: plskeggs

subsys/net/lib/nrf_provisioning/src/nrf_provisioning.c

@@ -493,7 +493,7 @@ int nrf_provisioning_schedule(void)
 	/* To even the load on server side */
 	retry_s += spread_s;
 
-	LOG_DBG("Connecting in %llds", retry_s);
+	LOG_INF("Checking for provisioning commands in %llds seconds", retry_s);
 	reschedule = false;
 
 	return retry_s;