boards/nz32-sc151: use TIM5 common timer configuration

This requires including STM32 common include directoy as well

boards/nz32-sc151/Makefile.include

@@ -2,6 +2,9 @@
 export CPU = stm32l1
 export CPU_MODEL = stm32l151rc
 
+# we use shared STM32 configuration snippets
+INCLUDES += -I$(RIOTBOARD)/common/stm32/include
+
 # define the default port depending on the host OS
 PORT_LINUX ?= /dev/ttyUSB0
 PORT_DARWIN ?= $(firstword $(sort $(wildcard /dev/tty.SLAB_USBtoUART*)))

boards/nz32-sc151/include/periph_conf.h

@@ -20,6 +20,7 @@
 #define PERIPH_CONF_H
 
 #include "periph_cpu.h"
+#include "cfg_timer_tim5.h"
 
 #ifdef __cplusplus
 extern "C" {
@@ -49,25 +50,6 @@ extern "C" {
 #define CLOCK_APB2          (CLOCK_CORECLOCK / 1)
 /** @} */
 
-/**
- * @name    Timer configuration
- * @{
- */
-static const timer_conf_t timer_config[] = {
-    {
-        .dev      = TIM5,
-        .max      = 0xffffffff,
-        .rcc_mask = RCC_APB1ENR_TIM5EN,
-        .bus      = APB1,
-        .irqn     = TIM5_IRQn
-    }
-};
-
-#define TIMER_0_ISR         (isr_tim5)
-
-#define TIMER_NUMOF         (sizeof(timer_config) / sizeof(timer_config[0]))
-/** @} */
-
 /**
  * @name    UART configuration
  * @{