Attention is currently required from: Shelley Chen, Paul Menzel.

Shelley Chen uploaded patch set #5 to this change.

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soc/qualcomm: Increase SPI frequency to 75 MHz

Increase frequency of sc7280 to 75 MHz.  Setting the delay to 1/8 of
a cycle as a result of experimentation.

BUG=b:190231148
BRANCH=None
TEST=Make sure that herobrine board boots
     HW Engineer measured SPI frequency and verified running at 75 MHz

Signed-off-by: Shelley Chen <shchen@google.com>
Change-Id: I3cf5a7c85f12800a11ece397a354349f2a0a235f
---
M src/soc/qualcomm/common/include/soc/qspi_common.h
M src/soc/qualcomm/common/qspi.c
M src/soc/qualcomm/sc7180/bootblock.c
M src/soc/qualcomm/sc7280/bootblock.c
M src/soc/qualcomm/sc7280/clock.c
5 files changed, 48 insertions(+), 7 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/73/64673/5

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