kinetis: Remove periph driver xxx_NUMOF guards

cpu/kinetis/periph/dac.c

@@ -31,9 +31,6 @@
 #include "periph/dac.h"
 #include "periph_conf.h"
 
-/* only compile this file if there are DAC lines defined */
-#ifdef DAC_NUMOF
-
 static inline DAC_Type *dev(dac_t line)
 {
     return dac_config[line].dev;
@@ -84,5 +81,3 @@ void dac_poweroff(dac_t line)
 
     bit_clear8(&dac_config[line].dev->C0, DAC_C0_DACEN_SHIFT);
 }
-
-#endif /* DAC_NUMOF */

cpu/kinetis/periph/i2c.c

@@ -43,8 +43,6 @@
 #else
 #define TRACE(...)
 #endif
-/* guard file in case no I2C device is defined */
-#if I2C_NUMOF
 
 /**
  * @brief Array holding one pre-initialized mutex for each I2C device
@@ -518,5 +516,3 @@ void i2c_poweroff(i2c_t dev)
 #endif
     }
 }
-
-#endif /* I2C_NUMOF */

cpu/kinetis/periph/rtc.c

@@ -30,9 +30,6 @@
 #define ENABLE_DEBUG (0)
 #include "debug.h"
 
-#if RTC_NUMOF
-
-
 typedef struct {
     rtc_alarm_cb_t cb;        /**< callback called from RTC interrupt */
 } rtc_state_t;
@@ -111,5 +108,3 @@ static void rtc_cb(void* arg)
         rtc_callback.cb(arg);
     }
 }
-
-#endif /* RTC_NUMOF */

cpu/kinetis/periph/rtt.c

@@ -35,9 +35,6 @@
 #define ENABLE_DEBUG (0)
 #include "debug.h"
 
-#if RTT_NUMOF
-
-
 #ifndef RTC_LOAD_CAP_BITS
 #define RTC_LOAD_CAP_BITS    0
 #endif
@@ -200,5 +197,3 @@ void RTT_ISR(void)
 
     cortexm_isr_end();
 }
-
-#endif /* RTC_NUMOF */