an5206: Don't enforce use of kernel for qtest

Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/m68k/an5206.c

@@ -12,6 +12,7 @@
 #include "hw/loader.h"
 #include "elf.h"
 #include "exec/address-spaces.h"
+#include "sysemu/qtest.h"
 
 #define KERNEL_LOAD_ADDR 0x10000
 #define AN5206_MBAR_ADDR 0x10000000
@@ -62,6 +63,9 @@ static void an5206_init(QEMUMachineInitArgs *args)
 
     /* Load kernel.  */
     if (!kernel_filename) {
+        if (qtest_enabled()) {
+            return;
+        }
         fprintf(stderr, "Kernel image must be specified\n");
         exit(1);
     }