include/device/dram/ddr3: Add additional frequencies

IvyBridge memory controller supports more frequencies than SandyBridge.
Required for future patches.

Change-Id: I0bcb670c20407ec0aec20bae85c4cbe6ccc44b16
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/15182
Tested-by: build bot (Jenkins)
Reviewed-by: Alexander Couzens <lynxis@fe80.eu>
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/include/device/dram/ddr3.h

@@ -35,9 +35,13 @@
  */
 #define TCK_1333MHZ     192
 #define TCK_1200MHZ     212
+#define TCK_1100MHZ     232
 #define TCK_1066MHZ     240
+#define TCK_1000MHZ     256
 #define TCK_933MHZ      274
+#define TCK_900MHZ      284
 #define TCK_800MHZ      320
+#define TCK_700MHZ      365
 #define TCK_666MHZ      384
 #define TCK_533MHZ      480
 #define TCK_400MHZ      640