Handle extremely large ATTR in ATTR dump tool
Handle extremely large ATTR in ATTR dump tool

  - ATTR_WOF_TABLE_DATA is 128K, dump tool used
    the stack for local buffer space and this
    ATTR exceeded stack space.  Changed to use realloc

Change-Id: Icbdc7c397507ce4244cce1c04171a49e0f6bcb68
Reviewed-on: http://ralgit01.raleigh.ibm.com/gerrit1/40989
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: William G. Hoffa <7dd6aa5e78423995d9d7c7ecada5b77ee07f88cc@us.ibm.com>
Reviewed-by: Prachi Gupta <25a72946fc4ec2539bba3cff1fbb2916af6a7649@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