Update serialization_lib hash.

Signed-off-by: Kevin Cheng <kevin.cheng@arm.com>
Change-Id: I122ef93965d04b715ed6eccddd8f4854d71b30f1
diff --git a/thirdparty/serialization_lib b/thirdparty/serialization_lib
index 3bb1bc1..82dbb32 160000
--- a/thirdparty/serialization_lib
+++ b/thirdparty/serialization_lib
@@ -1 +1 @@
-Subproject commit 3bb1bc1189bfa14670d2f7839d708f443f5b5942
+Subproject commit 82dbb32980a58889bef28b7ad653c30694364195