sandbox: move asm-generic include to the end of file

Generic version of io.h should be included at the end of
architecture-specific ones to make sure that arch implementations are
used and to avoid redefinitions.

Signed-off-by: Igor Prusov <ivprusov@salutedevices.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/include/asm/io.h b/arch/sandbox/include/asm/io.h
index 31ab728..77a02e5 100644
--- a/arch/sandbox/include/asm/io.h
+++ b/arch/sandbox/include/asm/io.h
@@ -28,20 +28,6 @@
 void unmap_physmem(const void *vaddr, unsigned long flags);
 #define unmap_physmem unmap_physmem
 
-#include <asm-generic/io.h>
-
-/* For sandbox, we want addresses to point into our RAM buffer */
-static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
-{
-	return map_physmem(paddr, len, MAP_WRBACK);
-}
-
-/* Remove a previous mapping */
-static inline void unmap_sysmem(const void *vaddr)
-{
-	unmap_physmem(vaddr, MAP_WRBACK);
-}
-
 /* Map from a pointer to our RAM buffer */
 phys_addr_t map_to_sysmem(const void *ptr);
 
@@ -229,5 +215,19 @@
 
 #include <iotrace.h>
 #include <asm/types.h>
+#include <asm-generic/io.h>
+
+/* For sandbox, we want addresses to point into our RAM buffer */
+static inline void *map_sysmem(phys_addr_t paddr, unsigned long len)
+{
+	return map_physmem(paddr, len, MAP_WRBACK);
+}
+
+/* Remove a previous mapping */
+static inline void unmap_sysmem(const void *vaddr)
+{
+	unmap_physmem(vaddr, MAP_WRBACK);
+}
+
 
 #endif