kernel: Adjust crashkernel memsize

The memory requirements of the kdump crash kernel have increased,
this
patch increases the assigned memory size to prevent an out-of-memory
error when the crash kernel get's started.

rhbz#885018

Change-Id: I04aedbb0fe339303e4b69dd272a40614add2a5ad
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>
Initial commit

Change-Id: Ia1e7daff5720a06dcf99bb13d87322d0f0f5db5f
Signed-off-by: Fabian Deutsch <fabiand@fedoraproject.org>