glibc: set version 2.20 as default

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Acked-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/glibc/Config.in

@@ -30,7 +30,7 @@ config BR2_PACKAGE_GLIBC
 
 choice
 	prompt "glibc version"
-	default BR2_GLIBC_VERSION_2_19
+	default BR2_GLIBC_VERSION_2_20
 
 config BR2_GLIBC_VERSION_2_19
 	bool "2.19"