Move memmap.h out of arch/i386; it no longer contains anything

architecture-dependent and is needed by the ELF code.

src/include/gpxe/memmap.h

@@ -0,0 +1,34 @@
+#ifndef _GPXE_MEMMAP_H
+#define _GPXE_MEMMAP_H
+
+#include <stdint.h>
+
+/**
+ * @file
+ *
+ * Memory mapping
+ *
+ */
+
+/** A usable memory region */
+struct memory_region {
+	/** Physical start address */
+	uint64_t start;
+	/** Physical end address */
+	uint64_t end;
+};
+
+/** Maximum number of memory regions we expect to encounter */
+#define MAX_MEMORY_REGIONS 8
+
+/** A memory map */
+struct memory_map {
+	/** Memory regions */
+	struct memory_region regions[MAX_MEMORY_REGIONS];
+	/** Number of used regions */
+	unsigned int count;
+};
+
+extern void get_memmap ( struct memory_map *memmap );
+
+#endif /* _GPXE_MEMMAP_H */