device/ddr2,ddr3: Rename and move a few things

In order for ddr2.h and ddr3.h to be included in the same file it
cannot have conflicting definitions, therefore rename a few things and
move some things to a common header.

Change-Id: I6056148872076048e055f1d20a60ac31afd7cde6
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/23717
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>

src/include/device/dram/ddr3.h

@@ -31,6 +31,8 @@
 
 #include <stdint.h>
 #include <spd.h>
+#include <device/dram/common.h>
+
 
 /**
  * Convenience definitions for SPD offsets
@@ -45,32 +47,6 @@
 #define SPD_DIMM_PART_LEN	18
 /** @} */
 
-/**
- * \brief Convenience definitions for TCK values
- *
- * Different values for tCK, representing standard DDR3 frequencies.
- * These values are in 1/256 ns units.
- * @{
- */
-#define NS2MHZ_DIV256	(1000 << 8)
-
-#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
-#define TCK_333MHZ      768
-#define TCK_266MHZ      960
-#define TCK_200MHZ      1280
-/** @} */
-
 /**
  * \brief Convenience macro for enabling printk with CONFIG_DEBUG_RAM_SETUP
  *
@@ -198,14 +174,6 @@ typedef struct dimm_attr_st {
 	u8 part_number[17];
 } dimm_attr;
 
-/** Result of the SPD decoding process */
-enum spd_status {
-	SPD_STATUS_OK = 0,
-	SPD_STATUS_INVALID,
-	SPD_STATUS_CRC_ERROR,
-	SPD_STATUS_INVALID_FIELD,
-};
-
 enum ddr3_xmp_profile {
 	DDR3_XMP_PROFILE_1 = 0,
 	DDR3_XMP_PROFILE_2 = 1,