Increase UART delay based on some lab issues
Increase UART delay based on some lab issues

Merging in a patch that we've been carrying for a couple years
now.

Change-Id: Ia9b2ccbcdf63b8d52423e6ddcb250a033c7efaeb
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/38117
Tested-by: Jenkins Server <8e3f934e4c44875bc48d33da3ea13d93ba9a233f@us.ibm.com>
Tested-by: Jenkins OP Build CI <e610bd72261d3c0a48f1e8ae36832ab00774d426@us.ibm.com>
Tested-by: FSP CI Jenkins <aa9e4d9ac7cd25905e9c0dd36d4150516e73dd86@us.ibm.com>
Reviewed-by: Matthew A. Ploetz <9c4e62337697f225e3360ddd1441dbba069477f9@us.ibm.com>
Reviewed-by: Daniel M. Crowell <912029ca9254ac7b5854e56910561d682e1fa2d0@us.ibm.com>

open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot,open-power/hostboot