Bump versions for libmbedcrypto and libmbedtls

Signed-off-by: Dave Rodgman <dave.rodgman@arm.com>
diff --git a/library/Makefile b/library/Makefile
index 5073517..dd16d06 100644
--- a/library/Makefile
+++ b/library/Makefile
@@ -47,9 +47,9 @@
 endif
 endif
 
-SOEXT_TLS?=so.18
+SOEXT_TLS?=so.19
 SOEXT_X509?=so.4
-SOEXT_CRYPTO?=so.12
+SOEXT_CRYPTO?=so.13
 
 # Set AR_DASH= (empty string) to use an ar implementation that does not accept
 # the - prefix for command line options (e.g. llvm-ar)