[ARM] Add initial sparsemem support

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/sparsemem.h b/include/asm-arm/sparsemem.h
new file mode 100644
index 0000000..2771581
--- /dev/null
+++ b/include/asm-arm/sparsemem.h
@@ -0,0 +1,10 @@
+#ifndef ASMARM_SPARSEMEM_H
+#define ASMARM_SPARSEMEM_H
+
+#include <asm/memory.h>
+
+#define MAX_PHYSADDR_BITS	32
+#define MAX_PHYSMEM_BITS	32
+#define SECTION_SIZE_BITS	NODE_MEM_SIZE_BITS
+
+#endif