CBMEM: Replace cbmem_initialize() with cbmem_recovery()

The replacement function confirms CBMEM TOC is wiped clean on power
cycles and resets. It also introduces compatibility interface to ease
up transition to DYNAMIC_CBMEM.

Change-Id: Ic5445c5bff4aff22a43821f3064f2df458b9f250
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/4668
Reviewed-by: Aaron Durbin <adurbin@google.com>
Tested-by: build bot (Jenkins)

src/lib/dynamic_cbmem.c

@@ -256,6 +256,16 @@ int cbmem_initialize(void)
 	return 0;
 }
 
+int cbmem_recovery(int is_wakeup)
+{
+	int rv = 0;
+	if (!is_wakeup)
+		cbmem_initialize_empty();
+	else
+		rv = cbmem_initialize();
+	return rv;
+}
+
 static void *cbmem_base(void)
 {
 	struct cbmem_root *root;