shuboz: Modify PS8743B setting for signal quality
shuboz: Modify PS8743B setting for signal quality

Update setting value of PS8743B for USB-C1 signal quality
The setting would will be modified to 0xB0 for offset 0x3B.

BUG=b:175234108
BRANCH=firmware-zork-13434.B
TEST=make BOARD=shuboz
Check PS8743B register value of 0x3B.

Signed-off-by: Jacky Wang <7c734db1d91dd6473466dda22f3cd45577127441@pegatron.corp-partner.google.com>
Change-Id: I69d88a4a224abf90db56cb49fc34f9bbc068a162
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2589138
Reviewed-by: Edward Hill <db1406b34e091703092b6b136bdfeb2c8125fc0e@chromium.org>
Reviewed-by: Michael5 Chen <efae8ab77494afb7fe65de1b400810ea0ad38b43@pegatron.corp-partner.google.com>
Tested-by: Michael5 Chen <efae8ab77494afb7fe65de1b400810ea0ad38b43@pegatron.corp-partner.google.com>
Commit-Queue: Isaac Lee <ae80c824e81cb652d4080c734bc0cb69ee66d0ff@google.com>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec