fix function defs for compiler

Author: dhalbert

ports/atmel-samd/common-hal/time/__init__.c

@@ -31,11 +31,11 @@
 #include "supervisor/shared/tick.h"
 #include "tick.h"
 
-inline uint64_t common_hal_time_monotonic() {
+inline uint64_t common_hal_time_monotonic(void) {
     return supervisor_ticks_ms64();
 }
 
-uint64_t common_hal_time_monotonic_ns() {
+uint64_t common_hal_time_monotonic_ns(void) {
     uint64_t ms;
     uint32_t us_until_ms;
     current_tick(&ms, &us_until_ms);

ports/cxd56/common-hal/time/__init__.c

@@ -34,7 +34,7 @@ uint64_t common_hal_time_monotonic(void) {
     return supervisor_ticks_ms64();
 }
 
-uint64_t common_hal_time_monotonic_ns() {
+uint64_t common_hal_time_monotonic_ns(void) {
     struct timeval tv;
     gettimeofday(&tv, NULL);
     return 1000 * ((uint64_t) tv.tv_sec * 1000000 + (uint64_t) tv.tv_usec);

ports/mimxrt10xx/common-hal/time/__init__.c

@@ -32,11 +32,11 @@
 
 #include "tick.h"
 
-inline uint64_t common_hal_time_monotonic() {
+inline uint64_t common_hal_time_monotonic(void) {
     return supervisor_ticks_ms64();
 }
 
-uint64_t common_hal_time_monotonic_ns() {
+uint64_t common_hal_time_monotonic_ns(void) {
     uint64_t ms;
     uint32_t us_until_ms;
     current_tick(&ms, &us_until_ms);

ports/nrf/common-hal/time/__init__.c

@@ -32,7 +32,7 @@ uint64_t common_hal_time_monotonic(void) {
     return supervisor_ticks_ms64();
 }
 
-uint64_t common_hal_time_monotonic_ns() {
+uint64_t common_hal_time_monotonic_ns(void) {
     uint64_t ms;
     uint32_t us_until_ms;
     current_tick(&ms, &us_until_ms);

ports/stm32f4/common-hal/time/__init__.c

@@ -32,7 +32,7 @@ uint64_t common_hal_time_monotonic(void) {
     return supervisor_ticks_ms64();
 }
 
-uint64_t common_hal_time_monotonic_ns() {
+uint64_t common_hal_time_monotonic_ns(void) {
     uint64_t ms;
     uint32_t us_until_ms;
     current_tick(&ms, &us_until_ms);