[SCSI] megaraid_sas: Optimize HostMSIxVectors setting

The following patch for megaraid_sas removes an incorrect comment and
optimizes the setting of HostMSIxVectors. This was found during a
code review by Tomas Henzl @ RedHat.

Signed-off-by: Adam Radford <[e-mail]>
Signed-off-by: James Bottomley <[e-mail]>

drivers/scsi/megaraid/megaraid_sas_fusion.c

···
 		fusion->reply_frames_desc_phys;
 	IOCInitMessage->SystemRequestFrameBaseAddress =
 		fusion->io_request_frames_phys;
-	/* Set to 0 for none or 1 MSI-X vectors */
-	IOCInitMessage->HostMSIxVectors = (instance->msix_vectors > 0 ?
-					   instance->msix_vectors : 0);
+	IOCInitMessage->HostMSIxVectors = instance->msix_vectors;
 	init_frame = (struct megasas_init_frame *)cmd->frame;
 	memset(init_frame, 0, MEGAMFI_FRAME_SIZE);