x86: Add prefix for logs

Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com>
Reviewed-by: Dmitry Safonov <0x7f454c46@gmail.com>
Signed-off-by: Andrei Vagin <avagin@virtuozzo.com>

criu/arch/x86/crtools.c

@@ -10,6 +10,9 @@
 
 #include "asm/compat.h"
 
+#undef LOG_PREFIX
+#define LOG_PREFIX "x86: "
+
 int save_task_regs(void *x, user_regs_struct_t *regs, user_fpregs_struct_t *fpregs)
 {
 	CoreEntry *core = x;