load token data when initializing. Dont use shared memory.

Otherwise, when /var/lib/opencryptoki/<token> dir is removed, cannot
reinitialize token because it is getting info like pin in shared memory and
not form nvtokdat to start over. Thus unable to re-initialize a token whose
info was removed.

Signed-off-by: Joy Latten <latten@linux.vnet.ibm.com>