refactor(osal): use osal malloc and free, remove usb_malloc & usb_free macro

osal/usb_osal_freertos.c

@@ -198,3 +198,13 @@ void usb_osal_msleep(uint32_t delay)
 {
     vTaskDelay(pdMS_TO_TICKS(delay));
 }
+
+void *usb_osal_malloc(size_t size)
+{
+    return pvPortMalloc(size);
+}
+
+void usb_osal_free(void *ptr)
+{
+    vPortFree(ptr);
+}

osal/usb_osal_nuttx.c

@@ -366,4 +366,14 @@ void usb_osal_msleep(uint32_t delay)
     useconds_t usec = delay * 1000;
 
     nxsig_usleep(usec);
+}
+
+void *usb_osal_malloc(size_t size)
+{
+    return kmm_malloc(size);
+}
+
+void usb_osal_free(void *ptr)
+{
+    kmm_free(ptr);
 }

osal/usb_osal_rtthread.c

@@ -167,3 +167,13 @@ void usb_osal_msleep(uint32_t delay)
 {
     rt_thread_mdelay(delay);
 }
+
+void *usb_osal_malloc(size_t size)
+{
+    return rt_malloc(size);
+}
+
+void usb_osal_free(void *ptr)
+{
+    rt_free(ptr);
+}

osal/usb_osal_yoc.c

@@ -53,7 +53,7 @@ int usb_osal_sem_give(usb_osal_sem_t sem)
 
 void usb_osal_sem_reset(usb_osal_sem_t sem)
 {
-    
+
 }
 
 usb_osal_mutex_t usb_osal_mutex_create(void)
@@ -123,3 +123,13 @@ void usb_osal_msleep(uint32_t delay)
 {
     aos_msleep(delay);
 }
+
+void *usb_osal_malloc(size_t size)
+{
+    return aos_malloc(size);
+}
+
+void usb_osal_free(void *ptr)
+{
+    aos_free(ptr);
+}