driver/mp3385: update delay timing
driver/mp3385: update delay timing

BUG=b:220957460
BRANCH=puff
TEST=verified IC power on sequence meet spec on dooly.

Signed-off-by: Zick Wei <3d0b14a1e83601e71d11cd2c38ee93ff1dbbc737@quanta.corp-partner.google.com>
Change-Id: I74f6462672a9a6f7a4313c5fa0d3e32e0952136f
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3482997
Reviewed-by: Andrew McRae <44ad1424cfc8411c96d9181798ca41ae55709dfb@google.com>

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