target/nios2: Move nios2-semi.c to nios2_softmmu_ss

Semihosting is not enabled for nios2-linux-user.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

target/nios2/meson.build

@@ -1,7 +1,6 @@
 nios2_ss = ss.source_set()
 nios2_ss.add(files(
   'cpu.c',
-  'nios2-semi.c',
   'op_helper.c',
   'translate.c',
 ))
@@ -10,7 +9,8 @@ nios2_softmmu_ss = ss.source_set()
 nios2_softmmu_ss.add(files(
   'helper.c',
   'monitor.c',
-  'mmu.c'
+  'mmu.c',
+  'nios2-semi.c',
 ))
 
 target_arch += {'nios2': nios2_ss}

target/nios2/nios2-semi.c

@@ -22,14 +22,9 @@
  */
 
 #include "qemu/osdep.h"
-
 #include "cpu.h"
 #include "exec/gdbstub.h"
-#if defined(CONFIG_USER_ONLY)
-#include "qemu.h"
-#else
 #include "semihosting/softmmu-uaccess.h"
-#endif
 #include "qemu/log.h"
 
 #define HOSTED_EXIT  0