ACPICA: Update function headers and comments, no functional change

Update comments for repair of _FDE and _GTM methods.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/acpica/nsrepair.c b/drivers/acpi/acpica/nsrepair.c
index 907f60c..4fd1bdb 100644
--- a/drivers/acpi/acpica/nsrepair.c
+++ b/drivers/acpi/acpica/nsrepair.c
@@ -399,6 +399,11 @@
 		break;
 
 	case ACPI_TYPE_PACKAGE:
+		/*
+		 * This case is often seen for predefined names that must return a
+		 * Buffer object with multiple DWORD integers within. For example,
+		 * _FDE and _GTM. The Package can be converted to a Buffer.
+		 */
 
 		/* All elements of the Package must be integers */