accel/tcg: Move gen_intermediate_code to TCGCPUOps.translate_core

Convert all targets simultaneously, as the gen_intermediate_code
function disappears from the target.  While there are possible
workarounds, they're larger than simply performing the conversion.

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

target/m68k/cpu.c

@@ -551,6 +551,7 @@ static const struct SysemuCPUOps m68k_sysemu_ops = {
 
 static const TCGCPUOps m68k_tcg_ops = {
     .initialize = m68k_tcg_init,
+    .translate_code = m68k_translate_code,
     .restore_state_to_opc = m68k_restore_state_to_opc,
 
 #ifndef CONFIG_USER_ONLY