scsi: aacraid: Fix misspelling of _aac_rx_init()

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/aacraid/rx.c:544: warning: expecting prototype for aac_rx_init(). Prototype was for _aac_rx_init() instead

Link: https://lore.kernel.org/r/20210303144631.3175331-25-lee.jones@linaro.org
Cc: Adaptec OEM Raid Solutions <aacraid@microsemi.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: "PMC-Sierra, Inc" <aacraid@pmc-sierra.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/aacraid/rx.c

@@ -532,7 +532,7 @@ int aac_rx_select_comm(struct aac_dev *dev, int comm)
 }
 
 /**
- *	aac_rx_init	-	initialize an i960 based AAC card
+ *	_aac_rx_init	-	initialize an i960 based AAC card
  *	@dev: device to configure
  *
  *	Allocate and set up resources for the i960 based AAC variants. The