[coreboot-gerrit] Change in coreboot[master]: mb/google/puff: Enable SPD_READ_BY_WORD to short the boottime

[Jamie Chen (Code Review)]

Jamie Chen has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/38848 )

Change subject: mb/google/puff: Enable SPD_READ_BY_WORD to short the boottime
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mb/google/puff: Enable SPD_READ_BY_WORD to short the boottime

Puff uses the smbus to access SPD of memory DIMM.
Add select SPD_READ_BY_WORD under BOARD_GOOGLE_PUFF in Kconfig.name
It's for shorting the SPD reading time.

BUG=b:149360051
BRANCH=None
TEST=build puff and boot up OS
     ran cbmem -t | grep FspMemoryInit
     Without this patch:
     950:calling FspMemoryInit            643,199 (257,588)
     With this patch:
     950:calling FspMemoryInit            477,714 (154,612)

Signed-off-by: Jamie Chen 
Change-Id: I161e8eb386ab604b16746f0deeecc3d6c9063c3a
---
M src/mainboard/google/hatch/Kconfig.name
1 file changed, 1 insertion(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/48/38848/1

diff --git a/src/mainboard/google/hatch/Kconfig.name b/src/mainboard/google/hatch/Kconfig.name
index e216135..2427b12 100644
--- a/src/mainboard/google/hatch/Kconfig.name
+++ b/src/mainboard/google/hatch/Kconfig.name
@@ -48,6 +48,7 @@
    select BOARD_GOOGLE_BASEBOARD_HATCH
    select BOARD_ROMSIZE_KB_32768
    select ROMSTAGE_SPD_SMBUS
+	select SPD_READ_BY_WORD

config BOARD_GOOGLE_HELIOS_DISKSWAP
    bool "->  Helios_Diskswap"