Squash commits for public release

boot/arm32/hw/ram.c

@@ -0,0 +1,13 @@
+#include "ram.h"
+#include <libboot/devtree/devtree.h>
+#include <libboot/log/log.h>
+
+size_t hw_ram_get_size()
+{
+    devtree_entry_t* dev = devtree_find_device("ram");
+    if (!dev) {
+        log("Can't find RAM in devtree");
+        while (1) { };
+    }
+    return dev->region_size;
+}

boot/arm32/hw/ram.h

@@ -0,0 +1,8 @@
+#ifndef _BOOT_HW_RAM_H
+#define _BOOT_HW_RAM_H
+
+#include <libboot/types.h>
+
+size_t hw_ram_get_size();
+
+#endif //_BOOT_HW_RAM_H