accel/tcg: Include missing headers in 'tb-jmp-cache.h'

Due to missing headers, when including "tb-jmp-cache.h" we might get:

  accel/tcg/tb-jmp-cache.h:21:21: error: field ‘rcu’ has incomplete type
     21 |     struct rcu_head rcu;
        |                     ^~~
  accel/tcg/tb-jmp-cache.h:24:9: error: unknown type name ‘vaddr’
     24 |         vaddr pc;
        |         ^~~~~

Add the missing "qemu/rcu.h" and "exec/cpu-common.h" headers.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Acked-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240111162442.43755-1-philmd@linaro.org>
diff --git a/accel/tcg/tb-jmp-cache.h b/accel/tcg/tb-jmp-cache.h
index 4ab8553..184bb3e 100644
--- a/accel/tcg/tb-jmp-cache.h
+++ b/accel/tcg/tb-jmp-cache.h
@@ -9,6 +9,9 @@
 #ifndef ACCEL_TCG_TB_JMP_CACHE_H
 #define ACCEL_TCG_TB_JMP_CACHE_H
 
+#include "qemu/rcu.h"
+#include "exec/cpu-common.h"
+
 #define TB_JMP_CACHE_BITS 12
 #define TB_JMP_CACHE_SIZE (1 << TB_JMP_CACHE_BITS)