userspace: Exclude nuttx/arch.h

This patch fixed userspace headers conflict. Architecture-related definition and API should not be exposed to users.

Signed-off-by: ouyangxiangzhen <ouyangxiangzhen@xiaomi.com>

mm/umm_heap/umm_calloc.c

@@ -26,6 +26,7 @@
 
 #include <nuttx/config.h>
 
+#include <errno.h>
 #include <stdlib.h>
 
 #include <nuttx/mm/mm.h>

mm/umm_heap/umm_heap.h

@@ -29,6 +29,7 @@
 
 #include <nuttx/config.h>
 
+#include <nuttx/addrenv.h>
 #include <nuttx/mm/mm.h>
 
 /****************************************************************************

mm/umm_heap/umm_initialize.c

@@ -28,6 +28,7 @@
 
 #include <assert.h>
 
+#include <nuttx/arch.h>
 #include <nuttx/mm/mm.h>
 
 #include "umm_heap/umm_heap.h"

mm/umm_heap/umm_sbrk.c

@@ -32,6 +32,7 @@
 
 #include <nuttx/mm/mm.h>
 #include <nuttx/addrenv.h>
+#include <nuttx/arch.h>
 #include <nuttx/pgalloc.h>
 
 #include "umm_heap/umm_heap.h"