spd.h: Move `DIMMx` macros to i440bx/raminit.h

These macros aren't needed anywhere else, so reduce their visibility.

Change-Id: Ie8d14849b4fb86d34a841d4a13ee3bbb46f9f71c
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52061
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/include/spd.h

@@ -197,16 +197,6 @@ enum spd_memory_type {
 #define MODULE_BUFFERED                  1
 #define MODULE_REGISTERED                2
 
-/* DIMM SPD addresses */
-#define DIMM0                            0x50
-#define DIMM1                            0x51
-#define DIMM2                            0x52
-#define DIMM3                            0x53
-#define DIMM4                            0x54
-#define DIMM5                            0x55
-#define DIMM6                            0x56
-#define DIMM7                            0x57
-
 /* Byte 3: Module type information */
 #define SPD_UNDEFINED 0x00
 #define SPD_RDIMM 0x01

src/northbridge/intel/i440bx/raminit.h

@@ -6,6 +6,12 @@
 /* The 440BX supports up to four (single- or double-sided) DIMMs. */
 #define DIMM_SOCKETS	4
 
+/* DIMM SPD addresses */
+#define DIMM0		0x50
+#define DIMM1		0x51
+#define DIMM2		0x52
+#define DIMM3		0x53
+
 void enable_spd(void);
 void disable_spd(void);
 void sdram_initialize(int s3resume);