scsi: mvsas: Replace snprintf() with sysfs_emit()

coccinelle report:
./drivers/scsi/mvsas/mv_init.c:699:8-16:
WARNING: use scnprintf or sprintf
./drivers/scsi/mvsas/mv_init.c:747:8-16:
WARNING: use scnprintf or sprintf

Use sysfs_emit() instead of scnprintf() or sprintf().

Link: https://lore.kernel.org/r/c1711f7cf251730a8ceb5bdfc313bf85662b3395.1643182948.git.yang.guang5@zte.com.cnReported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Yang Guang <yang.guang5@zte.com.cn>
Signed-off-by: David Yang <davidcomponentone@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/mvsas/mv_init.c

@@ -696,7 +696,7 @@ static struct pci_driver mvs_pci_driver = {
 static ssize_t driver_version_show(struct device *cdev,
 				   struct device_attribute *attr, char *buffer)
 {
-	return snprintf(buffer, PAGE_SIZE, "%s\n", DRV_VERSION);
+	return sysfs_emit(buffer, "%s\n", DRV_VERSION);
 }
 
 static DEVICE_ATTR_RO(driver_version);
@@ -744,7 +744,7 @@ static ssize_t interrupt_coalescing_store(struct device *cdev,
 static ssize_t interrupt_coalescing_show(struct device *cdev,
 					 struct device_attribute *attr, char *buffer)
 {
-	return snprintf(buffer, PAGE_SIZE, "%d\n", interrupt_coalescing);
+	return sysfs_emit(buffer, "%d\n", interrupt_coalescing);
 }
 
 static DEVICE_ATTR_RW(interrupt_coalescing);