Force the dump of IB1, and IB2 in postmortem even if their sizes
in the registers are 0. Also, make sure that the ringbuffer size
is correct and print 100 dwords of ringbuffer history instead
of 64
Change-Id: Icbbef62cafc59338c979a34d1590362f7c1d5de0
Signed-off-by: Shubhraprakash Das <sadas@codeaurora.org>