soc/intel/cannonlake: Set DIMM_SPD_SIZE to 512

All related mainboards are setting DIMM_SPD_SIZE to 512. Therefore,
default to 512 in the SoC Kconfig and drop it from related mainboard
Kconfigs.

Change-Id: Idb6a0e42961eeb490afd76b4aa7d940961991733
Signed-off-by: Felix Singer <felixsinger@posteo.net>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52513
Reviewed-by: Michael Niewöhner <foss@mniewoehner.de>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

src/mainboard/clevo/cml-u/Kconfig

@@ -61,10 +61,6 @@ config DIMM_MAX
 	int
 	default 2 if BOARD_CLEVO_L140CU_BASE
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config VGA_BIOS_ID
 	string
 	default "8086,9b41"

src/mainboard/google/drallion/Kconfig

@@ -45,10 +45,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config DRIVER_TPM_I2C_BUS
 	hex
 	default 0x4

src/mainboard/google/hatch/Kconfig

@@ -70,10 +70,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config ROMSTAGE_SPD_CBFS
 	bool
 	default y if !ROMSTAGE_SPD_SMBUS

src/mainboard/google/sarien/Kconfig

@@ -40,10 +40,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config DRIVER_TPM_I2C_BUS
 	hex
 	default 0x4

src/mainboard/prodrive/hermes/Kconfig

@@ -50,10 +50,6 @@ config OVERRIDE_DEVICETREE
 	string
 	default "variants/\$(CONFIG_VARIANT_DIR)/overridetree.cb"
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config CONSOLE_POST
 	bool
 	default y

src/mainboard/siemens/chili/Kconfig

@@ -59,10 +59,6 @@ config INTEL_GMA_VBT_FILE
 	string
 	default "src/mainboard/$(MAINBOARDDIR)/variants/$(CONFIG_VARIANT_DIR)/data.vbt"
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config CBFS_SIZE
 	hex
 	default 0xb00000

src/mainboard/system76/gaze15/Kconfig

@@ -60,10 +60,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config VGA_BIOS_ID
 	string
 	default "8086,9bc4"

src/mainboard/system76/lemp9/Kconfig

@@ -57,10 +57,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config VGA_BIOS_FILE
 	string
 	default "pci8086,9b41.rom"

src/mainboard/system76/oryp5/Kconfig

@@ -61,10 +61,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config POST_DEVICE
 	bool
 	default n

src/mainboard/system76/whl-u/Kconfig

@@ -73,10 +73,6 @@ config DIMM_MAX
 	int
 	default 2
 
-config DIMM_SPD_SIZE
-	int
-	default 512
-
 config POST_DEVICE
 	bool
 	default n

src/soc/intel/cannonlake/Kconfig

@@ -119,6 +119,9 @@ config MAX_CPUS
 	int
 	default 12
 
+config DIMM_SPD_SIZE
+	default 512
+
 config DCACHE_RAM_BASE
 	default 0xfef00000