primus: modify TCPC I2C speed to 1000 kbps
primus: modify TCPC I2C speed to 1000 kbps

BUG=b:191178381
BRANCH=none
TEST=make -j BOARD=primus

Signed-off-by: Elsie Shih <1d483d8675236a46b8b2a6fa309ad3eadba08cdc@wistron.corp-partner.google.com>
Change-Id: I6e62ba76d43084e0e0fdf33d30730b81ded4c82b
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3329186
Reviewed-by: Scott Chao <8cefa9751fac9aaa897ba1213763a96ba8dbd20d@wistron.corp-partner.google.com>
Tested-by: Scott Chao <8cefa9751fac9aaa897ba1213763a96ba8dbd20d@wistron.corp-partner.google.com>
Reviewed-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Commit-Queue: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>

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