soc/qualcomm/ipq40xx: Reduce the delay in I2C.

BUG=b:28942403
TEST=Boot up and TPM functions normally.
BRANCH=None

3ms delay is sufficient for qup_i2c_write_fifo_flush().

Change-Id: I202f5b8a1ef62bb039c56ba5a25b48b205cf4a67
Signed-off-by: Kan Yan <kyan@google.com>
Reviewed-on: https://chromium-review.googlesource.com/357961
Reviewed-by: Suresh Rajashekara <sureshraj@chromium.org>
Reviewed-by: SARAVANAKUMAR SUDALAI <ssudalai@qti.qualcomm.com>
1 file changed