chromeos: remove get_write_protect_state function

Remove the only use of this function from mrc_cache.c,
meaning that SPI flash protection is solely determined
by SPI itself.

BUG=b:124141368, chromium:950273
TEST=make clean && make test-abuild
BRANCH=none

Change-Id: Iea461262bf6ae5cd7b7dd74b3287e1bbc813efbb
Signed-off-by: Joel Kitching <kitching@google.com>
---
M src/drivers/mrc_cache/mrc_cache.c
M src/ec/lenovo/h8/vboot.c
M src/include/bootmode.h
M src/mainboard/google/auron/chromeos.c
M src/mainboard/google/beltino/chromeos.c
M src/mainboard/google/butterfly/chromeos.c
M src/mainboard/google/cheza/chromeos.c
M src/mainboard/google/cyan/chromeos.c
M src/mainboard/google/daisy/chromeos.c
M src/mainboard/google/dedede/chromeos.c
M src/mainboard/google/dragonegg/chromeos.c
M src/mainboard/google/drallion/chromeos.c
M src/mainboard/google/eve/chromeos.c
M src/mainboard/google/fizz/chromeos.c
M src/mainboard/google/foster/chromeos.c
M src/mainboard/google/gale/chromeos.c
M src/mainboard/google/glados/chromeos.c
M src/mainboard/google/gru/chromeos.c
M src/mainboard/google/hatch/chromeos.c
M src/mainboard/google/jecht/chromeos.c
M src/mainboard/google/kahlee/chromeos.c
M src/mainboard/google/kukui/chromeos.c
M src/mainboard/google/link/chromeos.c
M src/mainboard/google/nyan/chromeos.c
M src/mainboard/google/nyan_big/chromeos.c
M src/mainboard/google/nyan_blaze/chromeos.c
M src/mainboard/google/oak/chromeos.c
M src/mainboard/google/octopus/chromeos.c
M src/mainboard/google/parrot/chromeos.c
M src/mainboard/google/peach_pit/chromeos.c
M src/mainboard/google/poppy/chromeos.c
M src/mainboard/google/rambi/chromeos.c
M src/mainboard/google/reef/chromeos.c
M src/mainboard/google/sarien/chromeos.c
M src/mainboard/google/slippy/chromeos.c
M src/mainboard/google/smaug/chromeos.c
M src/mainboard/google/storm/chromeos.c
M src/mainboard/google/stout/chromeos.c
M src/mainboard/google/trogdor/chromeos.c
M src/mainboard/google/veyron/chromeos.c
M src/mainboard/google/veyron_mickey/chromeos.c
M src/mainboard/google/veyron_rialto/chromeos.c
M src/mainboard/google/volteer/chromeos.c
M src/mainboard/intel/baskingridge/chromeos.c
M src/mainboard/intel/cannonlake_rvp/chromeos.c
M src/mainboard/intel/coffeelake_rvp/chromeos.c
M src/mainboard/intel/emeraldlake2/chromeos.c
M src/mainboard/intel/galileo/vboot.c
M src/mainboard/intel/glkrvp/chromeos.c
M src/mainboard/intel/icelake_rvp/chromeos.c
M src/mainboard/intel/jasperlake_rvp/chromeos.c
M src/mainboard/intel/kblrvp/chromeos.c
M src/mainboard/intel/kunimitsu/chromeos.c
M src/mainboard/intel/strago/chromeos.c
M src/mainboard/intel/tglrvp/chromeos.c
M src/mainboard/intel/wtm2/chromeos.c
M src/mainboard/samsung/lumpy/chromeos.c
M src/mainboard/samsung/stumpy/chromeos.c
M src/security/vboot/Kconfig
M src/security/vboot/bootmode.c
60 files changed, 5 insertions(+), 382 deletions(-)