change `syfs` to `sysfs`.

Signed-off-by: Deming Wang <wangdeming@inspur.com>
---
 drivers/firmware/memmap.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/memmap.c b/drivers/firmware/memmap.c
index 8e59be3782cb..8e72bd678b4e 100644
--- a/drivers/firmware/memmap.c
+++ b/drivers/firmware/memmap.c
@@ -275,7 +275,7 @@ firmware_map_find_entry_bootmem(u64 start, u64 end, const char *type)
  *
  * Adds a firmware mapping entry. This function is for memory hotplug, it is
  * similar to function firmware_map_add_early(). The only difference is that
- * it will create the syfs entry dynamically.
+ * it will create the sysfs entry dynamically.
  *
  * Return: 0 on success, or -ENOMEM if no memory could be allocated.
  */
-- 
2.27.0