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/mainboard/emulation/qemu-i440fx/romstage.c

@@ -48,7 +48,7 @@ void main(unsigned long bist)
 	//print_pci_devices();
 	//dump_pci_devices();
 
-	cbmem_was_initted = !cbmem_initialize();
+	cbmem_was_initted = !cbmem_recovery(0);
 
 	timestamp_init(rdtsc());
 	timestamp_add_now(TS_START_ROMSTAGE);

src/mainboard/emulation/qemu-q35/romstage.c

@@ -50,7 +50,7 @@ void main(unsigned long bist)
 	//print_pci_devices();
 	//dump_pci_devices();
 
-	cbmem_was_initted = !cbmem_initialize();
+	cbmem_was_initted = !cbmem_recovery(0);
 
 	timestamp_init(rdtsc());
 	timestamp_add_now(TS_START_ROMSTAGE);