bb_retimer: Set Data_Connection_Present bit in Safe mode
bb_retimer: Set Data_Connection_Present bit in Safe mode

BUG=b:150764332
BRANCH=none
TEST=Data_Connection_Present is set in safe mode on Volteer

Change-Id: Ib00ab10d2527636d9e6342de937477a72625f8bf
Signed-off-by: Vijay Hiremath <006c712879a3af08bfdb5c2b8491a8b2d5fd73cd@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2087902
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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