docs(porting): remove reference to xlat_table lib v1

Version 1 of the translation table library is deprecated. Refer to
version 2 instead.

Signed-off-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Change-Id: I10a4ab7b346ea963345f82baff2deda267c5308d
diff --git a/docs/getting_started/porting-guide.rst b/docs/getting_started/porting-guide.rst
index b9ccdb0..21e0289 100644
--- a/docs/getting_started/porting-guide.rst
+++ b/docs/getting_started/porting-guide.rst
@@ -54,7 +54,7 @@
 A platform port must enable the Memory Management Unit (MMU) as well as the
 instruction and data caches for each BL stage. Setting up the translation
 tables is the responsibility of the platform port because memory maps differ
-across platforms. A memory translation library (see ``lib/xlat_tables/``) is
+across platforms. A memory translation library (see ``lib/xlat_tables_v2/``) is
 provided to help in this setup.
 
 Note that although this library supports non-identity mappings, this is intended