VOXL2 board support updates (#21426)

platforms/qurt/unresolved_symbols.c

@@ -1,30 +1,33 @@
 
 #include <time.h>
-
-void qurt_free(void *ptr);
+#include <px4_log.h>
+#include <qurt_alloc.h>
 
 __attribute__((visibility("default"))) void free(void *ptr)
 {
 	qurt_free(ptr);
-	// ptr = 0;
+	ptr = 0;
 }
 
 __attribute__((visibility("default"))) void *malloc(size_t size)
 {
-	return (void *) 0;
+	return qurt_malloc(size);
 }
 
 __attribute__((visibility("default"))) void *calloc(size_t nmemb, size_t size)
 {
+	PX4_ERR("Undefined calloc called");
 	return (void *) 0;
 }
 
 __attribute__((visibility("default"))) void *realloc(void *ptr, size_t size)
 {
+	PX4_ERR("Undefined realloc called");
 	return (void *) 0;
 }
 
 __attribute__((visibility("default"))) int nanosleep(const struct timespec *req, struct timespec *rem)
 {
+	PX4_ERR("Undefined nanosleep called");
 	return -1;
 }