target/tricore: Build system units in common source set

Since commit range 809b460f305..cd08bcaa36b we remove all
uses of the target_ulong type in target/rx/. Use the meson
target_common_system_arch[] source set to prevent further
uses of target-specific types.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20260107200702.54582-4-philmd@linaro.org>

target/tricore/meson.build

diff --git a/target/tricore/meson.build b/target/tricore/meson.build
index 45f49f0..f40daee 100644
--- a/target/tricore/meson.build
+++ b/target/tricore/meson.build
@@ -12,4 +12,4 @@
 tricore_system_ss = ss.source_set()
 
 target_arch += {'tricore': tricore_ss}
-target_system_arch += {'tricore': tricore_system_ss}
+target_common_system_arch += {'tricore': tricore_system_ss}