cpu/intel/socket_LGA775: Increase DCACHE_RAM_SIZE

Increase DCACHE_RAM_SIZE to 32kB and remove "NO_CBFS_MCACHE".
It’s quite safe to increase DCACHE_RAM_SIZE. All LGA775 targets
should have at least 256K L2 cache. That is plenty for XIP RO cache of
bootblock + romstage and a 32K CAR.

Change-Id: I393b2727bd90a990c3108a4dbead62b17d7fc531
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/49505
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
diff --git a/src/cpu/intel/socket_LGA775/Kconfig b/src/cpu/intel/socket_LGA775/Kconfig
index 8db932c..537a0d1 100644
--- a/src/cpu/intel/socket_LGA775/Kconfig
+++ b/src/cpu/intel/socket_LGA775/Kconfig
@@ -17,7 +17,7 @@
 
 config DCACHE_RAM_SIZE
 	hex
-	default 0x4000 # 16 kB
+	default 0x8000 # 32 kB
 
 config DCACHE_BSP_STACK_SIZE
 	hex
diff --git a/src/mainboard/asus/p5gc-mx/Kconfig b/src/mainboard/asus/p5gc-mx/Kconfig
index a0dc96e7..ff3bbca 100644
--- a/src/mainboard/asus/p5gc-mx/Kconfig
+++ b/src/mainboard/asus/p5gc-mx/Kconfig
@@ -17,7 +17,6 @@
 	select BOARD_ROMSIZE_KB_512
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select INTEL_GMA_HAVE_VBT
-	select NO_CBFS_MCACHE
 
 config MAINBOARD_DIR
 	string
diff --git a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
index f6a99e7f..9a8bf5b 100644
--- a/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
+++ b/src/mainboard/gigabyte/ga-945gcm-s2l/Kconfig
@@ -18,7 +18,6 @@
 	select MAINBOARD_HAS_NATIVE_VGA_INIT
 	select REALTEK_8168_RESET if BOARD_GIGABYTE_GA_945GCM_S2L
 	select INTEL_GMA_HAVE_VBT
-	select NO_CBFS_MCACHE
 
 config MAINBOARD_DIR
 	string
diff --git a/src/northbridge/intel/x4x/Kconfig b/src/northbridge/intel/x4x/Kconfig
index 8226fe9..00e9a3a 100644
--- a/src/northbridge/intel/x4x/Kconfig
+++ b/src/northbridge/intel/x4x/Kconfig
@@ -13,7 +13,6 @@
 	select CACHE_MRC_SETTINGS
 	select PARALLEL_MP
 	select BOOT_DEVICE_SPI_FLASH_NO_EARLY_WRITES
-	select NO_CBFS_MCACHE
 
 config CBFS_SIZE
 	hex