support/config-fragments/autobuild: update OpenRISC toolchain

Following commit eee96b0f0ad224b3e09a9b98c26d056e18f17fd5 that adds a
gcc patch for OpenRISC, the OpenRISC pre-built toolchain was
rebuilt. Let's use this new toolchain version for the autobuilders.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

support/config-fragments/autobuild/br-openrisc-uclibc.config

@@ -1,7 +1,7 @@
 BR2_or1k=y
 BR2_TOOLCHAIN_EXTERNAL=y
 BR2_TOOLCHAIN_EXTERNAL_DOWNLOAD=y
-BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-openrisc-full-2020.02.tar.bz2"
+BR2_TOOLCHAIN_EXTERNAL_URL="http://autobuild.buildroot.net/toolchains/tarballs/br-openrisc-full-2020.02-500-geee96b0.tar.bz2"
 BR2_TOOLCHAIN_EXTERNAL_GCC_9=y
 BR2_TOOLCHAIN_EXTERNAL_HEADERS_5_4=y
 BR2_TOOLCHAIN_EXTERNAL_LOCALE=y