eal: fix bitmap documentation
eal: fix bitmap documentation

n_bits comes as first argument, align doxygen comment.

n_bit need to not be multiple of 512 as n_bits
are rounding to RTE_BITMAP_CL_BIT_SIZE.

Fixes: 14456f59e9f7 ("doc: fix doxygen warnings in QoS API")
Fixes: de3cfa2c9823 ("sched: initial import")
Cc: stable@dpdk.org

Signed-off-by: Jerin Jacob <5bca7d2a432bc0f5422b70b2701a4e4fa32edd00@caviumnetworks.com>
Acked-by: Cristian Dumitrescu <25468b8a3698eeb3c368247f8635924bb4a1ce2c@intel.com>

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