support/config-fragments/autobuild: use Bootlin toolchain for AArch64 glibc

Instead of using an external toolchain built specifically for the
autobuilders to test AArch64/glibc, use a pre-built Bootlin toolchain.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

support/config-fragments/autobuild/bootlin-aarch64-glibc.config

@@ -0,0 +1,4 @@
+BR2_aarch64=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN=y
+BR2_TOOLCHAIN_EXTERNAL_BOOTLIN_AARCH64_GLIBC_STABLE=y

support/config-fragments/autobuild/br-aarch64-glibc.config

@@ -1,9 +0,0 @@
-BR2_aarch64=y
-BR2_TOOLCHAIN_EXTERNAL=y
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM=y
-BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
-BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-aarch64-glibc-2020.02.tar.bz2"
-BR2_TOOLCHAIN_EXTERNAL_GCC_8=y
-BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_4=y
-BR2_TOOLCHAIN_EXTERNAL_CUSTOM_GLIBC=y
-BR2_TOOLCHAIN_EXTERNAL_CXX=y

support/config-fragments/autobuild/toolchain-configs.csv

@@ -24,8 +24,8 @@ support/config-fragments/autobuild/sourcery-arm.config,x86
 # Toolchains used by test-pkg only when the '-a' option is passed:
 support/config-fragments/autobuild/andes-nds32.config,x86
 support/config-fragments/autobuild/arm-aarch64.config,x86_64
+support/config-fragments/autobuild/bootlin-aarch64-glibc.config,x86_64
 support/config-fragments/autobuild/bootlin-x86-64-glibc.config,x86_64
-support/config-fragments/autobuild/br-aarch64-glibc.config,x86_64
 support/config-fragments/autobuild/br-arc-full-internal.config,any
 support/config-fragments/autobuild/br-arc-internal-glibc.config,any
 support/config-fragments/autobuild/br-arcle-hs38.config,x86_64