linux-user: Fix TARGET_PROT_SEM for XTENSA

The xtensa platform has a value of 0x10 for PROT_SEM.

Signed-off-by: Helge Deller <deller@gmx.de>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-Id: <20220924114501.21767-2-deller@gmx.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>

linux-user/syscall_defs.h

@@ -1246,7 +1246,7 @@ struct target_winsize {
 
 #include "termbits.h"
 
-#if defined(TARGET_MIPS)
+#if defined(TARGET_MIPS) || defined(TARGET_XTENSA)
 #define TARGET_PROT_SEM         0x10
 #else
 #define TARGET_PROT_SEM         0x08