tests/tcg: Use Hexagon Docker image

[PMD: Split from 'Add Hexagon Docker image' patch]

Signed-off-by: Alessandro Di Federico <ale@rev.ng>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
[AJB: add container_hosts]
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Tested-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210228222314.304787-5-f4bug@amsat.org>
Message-Id: <20210512102051.12134-8-alex.bennee@linaro.org>

tests/tcg/configure.sh

@@ -128,6 +128,11 @@ for target in $target_list; do
       container_image=fedora-cris-cross
       container_cross_cc=cris-linux-gnu-gcc
       ;;
+    hexagon-*)
+      container_hosts=x86_64
+      container_image=debian-hexagon-cross
+      container_cross_cc=hexagon-unknown-linux-musl-clang
+      ;;
     hppa-*)
       container_hosts=x86_64
       container_image=debian-hppa-cross