Revert "PCI: Allow PCI bridges to go to D3Hot on all non-x86"

This reverts commit a5fb3ff6.

The commit causes kernel panics on Pixel 6 devices and can be reapplied
after the root cause is identified and fixed. See bug for details.

Bug: 411543655
Change-Id: Ie394185c821c0e29c583b4db8148f66678108031
Signed-off-by: Carlos Llamas <cmllamas@google.com>