target-xtensa: add missing DEBUG section to dc233c config

This fixes missing debug feature opcodes of dc233c core variant.

Cc: qemu-stable@nongnu.org
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>

target-xtensa/core-dc233c.c

@@ -49,6 +49,7 @@ static const XtensaConfig dc233c = {
     EXCEPTIONS_SECTION,
     INTERRUPTS_SECTION,
     TLB_SECTION,
+    DEBUG_SECTION,
     .clock_freq_khz = 10000,
 };