test/rcu: fix test case
test/rcu: fix test case

Test case for rte_rcu_qsbr_get_memsize is written specifically
for 128 threads. Do not use RTE_MAX_LCORE as it changes for
different configurations.

Fixes: e6a14121f4ae ("test/rcu: remove arbitrary limit on max core count")
Cc: stable@dpdk.org

Signed-off-by: Honnappa Nagarahalli <01ccf438b971cc1d8919c8a7f18443cae9429d8b@arm.com>
Reviewed-by: Ruifeng Wang <a548d51fbc42485a8ba807711a537e88c2b59dd2@arm.com>
Reviewed-by: David Marchand <f28529695cfa9e3e1eb84e7072aa626af4abb18e@redhat.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk