support/config-fragments/autobuild: test the Andes nds32 architecture

Signed-off-by: Che-Wei Chuang <cnoize@andestech.com>
Signed-off-by: Greentime Hu <greentime@andestech.com>
Signed-off-by: Nylon Chen <nylon7@andestech.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

support/config-fragments/autobuild/andes-nds32.config

@@ -0,0 +1,3 @@
+BR2_nds32=y
+BR2_TOOLCHAIN_EXTERNAL=y
+BR2_TOOLCHAIN_EXTERNAL_ANDES_NDS32=y

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

@@ -22,6 +22,7 @@ support/config-fragments/autobuild/br-arm-full-static.config,x86_64
 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/br-aarch64-glibc.config,x86_64
 support/config-fragments/autobuild/br-arc-full-internal.config,any