[PATCH 6/9] docker: Ensure we use the cross toolchain for aarch64 on arm64

[Tom Rini]

We do not want to use the host toolchain for building our platforms in
CI (it is both too old, and would be inconsistent with our CI
practices). To do this we need to set the toolchain-prefix so that we
don't end up guessing "/opt/.../aarch64-linux-aarch64-linux-" as the
prefix.

Link: https://source.denx.de/u-boot/custodians/u-boot-dm/-/issues/32
Signed-off-by: Tom Rini <trini at konsulko.com>
---
 tools/docker/Dockerfile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/docker/Dockerfile b/tools/docker/Dockerfile
index 38a9c4b9ec69..5d77e2b62696 100644
--- a/tools/docker/Dockerfile
+++ b/tools/docker/Dockerfile
@@ -323,6 +323,9 @@ RUN /bin/echo -e "kernelorg = /opt/gcc-${TCVER}-nolibc/*" >> ~/.buildman
 RUN if [ "$TARGETPLATFORM" = "linux/amd64" ]; then \
         /bin/echo -e "\n[toolchain-prefix]\nxtensa = /opt/2020.07/xtensa-dc233c-elf/bin/xtensa-dc233c-elf-" >> ~/.buildman; \
     fi
+RUN if [ "$TARGETPLATFORM" = "linux/arm64" ]; then \
+        /bin/echo -e "\n[toolchain-prefix]\naarch64 = /opt/gcc-${TCVER}-nolibc/aarch64-linux/bin/aarch64-linux-" >> ~/.buildman; \
+    fi
 RUN /bin/echo -e "\n[toolchain-alias]\nsh = sh2" >> ~/.buildman
 RUN /bin/echo -e "\nx86 = i386" >> ~/.buildman;
 
-- 
2.43.0