Rename kufree to kumm_free for consistency with other naming

arch/arm/src/lpc31xx/lpc31_ehci.c

@@ -3813,7 +3813,7 @@ static int lpc31_ioalloc(FAR struct usbhost_driver_s *drvr, FAR uint8_t **buffer
  *   Some hardware supports special memory in which IO data can  be accessed more
  *   efficiently.  This method provides a mechanism to free that IO buffer
  *   memory.  If the underlying hardware does not support such "special" memory,
- *   this functions may simply map to kufree().
+ *   this functions may simply map to kumm_free().
  *
  * Input Parameters:
  *   drvr - The USB host driver instance obtained as a parameter from the call to
@@ -3835,7 +3835,7 @@ static int lpc31_iofree(FAR struct usbhost_driver_s *drvr, FAR uint8_t *buffer)
 
   /* No special action is require to free the I/O buffer memory */
 
-  kufree(buffer);
+  kumm_free(buffer);
   return OK;
 }
 

arch/arm/src/sam34/sam_udp.c

@@ -3052,7 +3052,7 @@ static void sam_ep_freebuffer(struct usbdev_ep_s *ep, void *buf)
 {
   /* There is not special buffer allocation requirement */
 
-  kufree(buf);
+  kumm_free(buf);
 }
 #endif
 

arch/arm/src/sama5/sam_ehci.c

@@ -3653,7 +3653,7 @@ static int sam_ioalloc(FAR struct usbhost_driver_s *drvr, FAR uint8_t **buffer,
  *   Some hardware supports special memory in which IO data can  be accessed more
  *   efficiently.  This method provides a mechanism to free that IO buffer
  *   memory.  If the underlying hardware does not support such "special" memory,
- *   this functions may simply map to kufree().
+ *   this functions may simply map to kumm_free().
  *
  * Input Parameters:
  *   drvr - The USB host driver instance obtained as a parameter from the call to
@@ -3675,7 +3675,7 @@ static int sam_iofree(FAR struct usbhost_driver_s *drvr, FAR uint8_t *buffer)
 
   /* No special action is require to free the I/O buffer memory */
 
-  kufree(buffer);
+  kumm_free(buffer);
   return OK;
 }
 

arch/arm/src/sama5/sam_ohci.c

@@ -2715,7 +2715,7 @@ static int sam_ioalloc(FAR struct usbhost_driver_s *drvr, FAR uint8_t **buffer,
  *   Some hardware supports special memory in which IO data can  be accessed more
  *   efficiently.  This method provides a mechanism to free that IO buffer
  *   memory.  If the underlying hardware does not support such "special" memory,
- *   this functions may simply map to kufree().
+ *   this functions may simply map to kumm_free().
  *
  * Input Parameters:
  *   drvr - The USB host driver instance obtained as a parameter from the call to
@@ -2735,9 +2735,9 @@ static int sam_iofree(FAR struct usbhost_driver_s *drvr, FAR uint8_t *buffer)
 {
   DEBUGASSERT(drvr && buffer);
 
-  /* kufree is all that is required */
+  /* kumm_free is all that is required */
 
-  kufree(buffer);
+  kumm_free(buffer);
   return OK;
 }
 

arch/arm/src/sama5/sam_udphs.c

@@ -3541,7 +3541,7 @@ static void sam_ep_freebuffer(struct usbdev_ep_s *ep, void *buf)
 {
   /* There is not special buffer allocation requirement */
 
-  kufree(buf);
+  kumm_free(buf);
 }
 #endif
 

arch/rgmp/src/nuttx.c

@@ -216,7 +216,7 @@ void up_release_stack(struct tcb_s *dtcb, uint8_t ttype)
       {
         /* Use the user-space allocator if this is a task or pthread */
 
-        kufree(dtcb->stack_alloc_ptr);
+        kumm_free(dtcb->stack_alloc_ptr);
       }
   }