target/tricore: Use env_cpu

Cleanup in the boilerplate that each target must define.
Replace tricore_env_get_cpu with env_archcpu.  The combination
CPU(tricore_env_get_cpu) should have used ENV_GET_CPU to begin;
use env_cpu now.
Reviewed-by: NAlistair Francis <alistair.francis@wdc.com>
Reviewed-by: NPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: NRichard Henderson <richard.henderson@linaro.org>

target/tricore/cpu.h

@@ -208,11 +208,6 @@ struct TriCoreCPU {
     CPUTriCoreState env;
 };
 
-static inline TriCoreCPU *tricore_env_get_cpu(CPUTriCoreState *env)
-{
-    return TRICORE_CPU(container_of(env, TriCoreCPU, env));
-}
-
 #define ENV_OFFSET offsetof(TriCoreCPU, env)
 
 hwaddr tricore_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);

target/tricore/op_helper.c

@@ -29,7 +29,7 @@ static void QEMU_NORETURN
 raise_exception_sync_internal(CPUTriCoreState *env, uint32_t class, int tin,
                               uintptr_t pc, uint32_t fcd_pc)
 {
-    CPUState *cs = CPU(tricore_env_get_cpu(env));
+    CPUState *cs = env_cpu(env);
     /* in case we come from a helper-call we need to restore the PC */
     cpu_restore_state(cs, pc, true);