support/config-fragments/autobuild: update ARC pre-built toolchain

The toolchain has been rebuilt to fix the RPATH of the binutils programs.

Fixes:

  http://autobuild.buildroot.net/results/b2562b05d397d4e1ffe0f8d2f4ce4c84ab6feae1/

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

support/config-fragments/autobuild/br-arcle-hs38.config

@@ -3,7 +3,7 @@ BR2_archs38=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-arcle-hs38-full-2018.02-891-g046c5e2.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.org/toolchains/tarballs/br-arcle-hs38-full-2018.02-926-gb393c24.tar.bz2"
 BR2_TOOLCHAIN_EXTERNAL_GCC_7=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_4_1=y
 BR2_TOOLCHAIN_EXTERNAL_LOCALE=y