soc/intel/common: Extend WAIT_FOR_DP_MODE_ENTRY_TIMEOUT_MS to 1500ms

Some dongles require more time to be ready,
this CL extedns the DP mode entry timeout from 0.5s to 1.5s and make
sure the tested dongle display works.

Before:
[WARN ]  DP not ready after 500ms. Abort.

After:
[INFO ]  DP ready after 1211 ms

BUG=b:348309582
TEST=emerge coreboot
     verify tested dongles and monitors display works

Change-Id: I22d7800b50f6f7de9f147ae6998a5015d0dc0be9
Signed-off-by: Tony Huang <tony-huang@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83206
Reviewed-by: Derek Huang <derekhuang@google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

0 files changed, 0 insertions, 0 deletions