cpu: Move tb_jmp_cache field from CPU_COMMON to CPUState

Clear it on reset.

Signed-off-by: Andreas Färber <afaerber@suse.de>
diff --git a/cputlb.c b/cputlb.c
index 0fbaa39..0eb1801 100644
--- a/cputlb.c
+++ b/cputlb.c
@@ -58,7 +58,7 @@
     cpu->current_tb = NULL;
 
     memset(env->tlb_table, -1, sizeof(env->tlb_table));
-    memset(env->tb_jmp_cache, 0, sizeof(env->tb_jmp_cache));
+    memset(cpu->tb_jmp_cache, 0, sizeof(cpu->tb_jmp_cache));
 
     env->tlb_flush_addr = -1;
     env->tlb_flush_mask = 0;