scsi: mpt3sas: Fix two kernel-doc headers

Fix the following warnings:

drivers/scsi/mpt3sas/mpt3sas_base.c:5430: warning: Excess function parameter 'ct' description in '_base_allocate_pcie_sgl_pool'
drivers/scsi/mpt3sas/mpt3sas_base.c:5493: warning: Excess function parameter 'ctr' description in '_base_allocate_chain_dma_pool'

Link: https://lore.kernel.org/r/20210415220826.29438-10-bvanassche@acm.org
Fixes: d6adc251 ("scsi: mpt3sas: Force PCIe scatterlist allocations to be within same 4 GB region")
Fixes: 7dd847da ("scsi: mpt3sas: Force chain buffer allocations to be within same 4 GB region")
Cc: Sathya Prakash <sathya.prakash@broadcom.com>
Cc: Sreekanth Reddy <sreekanth.reddy@broadcom.com>
Cc: Suganath Prabu Subramani <suganath-prabu.subramani@broadcom.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mpt3sas/mpt3sas_base.c

@@ -5421,7 +5421,7 @@ _base_reduce_hba_queue_depth(struct MPT3SAS_ADAPTER *ioc)
  *			for pcie sgl pools.
  * @ioc: Adapter object
  * @sz: DMA Pool size
- * @ct: Chain tracker
+ *
  * Return: 0 for success, non-zero for failure.
  */
 
@@ -5485,7 +5485,7 @@ _base_allocate_pcie_sgl_pool(struct MPT3SAS_ADAPTER *ioc, u32 sz)
  *			for chain dma pool.
  * @ioc: Adapter object
  * @sz: DMA Pool size
- * @ctr: Chain tracker
+ *
  * Return: 0 for success, non-zero for failure.
  */
 static int