ACPI: tables: Fix the stale comments for acpi_locate_initial_tables()

sdt_entry[] is long gone by commit ceb6c46 ("ACPICA: Remove
duplicate table manager"), update the comments to avoid confusion.

Signed-off-by: Hanjun Guo <guohanjun@huawei.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

drivers/acpi/tables.c

@@ -848,12 +848,11 @@ acpi_status acpi_os_table_override(struct acpi_table_header *existing_table,
 /*
  * acpi_locate_initial_tables()
  *
- * find RSDP, find and checksum SDT/XSDT.
- * checksum all tables, print SDT/XSDT
+ * Get the RSDP, then find and checksum all the ACPI tables.
  *
- * result: sdt_entry[] is initialized
+ * result: initial_tables[] is initialized, and points to
+ * a list of ACPI tables.
  */
-
 int __init acpi_locate_initial_tables(void)
 {
 	acpi_status status;