toolchain-external: microblaze toolchains are glibc-based

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

toolchain/toolchain-external/Config.in

@@ -542,11 +542,7 @@ config BR2_TOOLCHAIN_EXTERNAL_BLACKFIN_UCLINUX_2010RC1
 config BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2
 	bool "Xilinx Little Endian Microblaze GNU Tools"
 	depends on BR2_microblazeel
-	select BR2_LARGEFILE
-	select BR2_INET_IPV6
-	select BR2_INET_RPC
-	select BR2_ENABLE_LOCALE
-	select BR2_USE_WCHAR
+	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
 	help
 	  Toolchain for the Microblaze architecture, from
 	  http://wiki.xilinx.com/mb-gnu-tools
@@ -554,11 +550,7 @@ config BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEEL_V2
 config BR2_TOOLCHAIN_EXTERNAL_XILINX_MICROBLAZEBE_V2
 	bool "Xilinx Big Endian Microblaze GNU Tools"
 	depends on BR2_microblazebe
-	select BR2_LARGEFILE
-	select BR2_INET_IPV6
-	select BR2_INET_RPC
-	select BR2_ENABLE_LOCALE
-	select BR2_USE_WCHAR
+	select BR2_TOOLCHAIN_EXTERNAL_GLIBC
 	help
 	  Toolchain for the Microblaze architecture, from
 	  http://wiki.xilinx.com/mb-gnu-tools