efi_loader: function descriptions efi_unicode_collation.c

Correct function descriptions in efi_unicode_collation.c
Add the Unicode collation protocol to the generated HTML documentation.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
diff --git a/doc/api/efi.rst b/doc/api/efi.rst
index 631c0ce..b9c0c6e 100644
--- a/doc/api/efi.rst
+++ b/doc/api/efi.rst
@@ -151,3 +151,9 @@
 
 .. kernel-doc:: lib/efi_loader/efi_console.c
    :internal:
+
+Unicode Collation protocol
+~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. kernel-doc:: lib/efi_loader/efi_unicode_collation.c
+   :internal: