Fix references to pwm.h

code/espurna/libs/pwm.h

@@ -9,7 +9,7 @@
  /*NOTE!!  : DO NOT CHANGE THIS FILE*/
 
  /*SUPPORT UP TO 8 PWM CHANNEL*/
-//#define PWM_CHANNEL_NUM_MAX 8 
+#define PWM_CHANNEL_NUM_MAX 8 
 
 struct pwm_param {
     uint32 period;

code/espurna/light.ino

@@ -13,7 +13,6 @@ Copyright (C) 2016-2017 by Xose Pérez <xose dot perez at gmail dot com>
 #include <vector>
 
 #if LIGHT_PROVIDER == LIGHT_PROVIDER_DIMMER
-#define PWM_CHANNEL_NUM_MAX LIGHT_CHANNELS
 extern "C" {
     #include "libs/pwm.h"
 }

code/espurna/pwm.c

@@ -43,7 +43,7 @@
 #endif
 
 #include <c_types.h>
-#include <pwm.h>
+#include <libs/pwm.h>
 #include <eagle_soc.h>
 #include <ets_sys.h>