target/avr: Fix compiler errors (-Werror=enum-conversion)

../target/avr/translate.c: In function ‘gen_jmp_ez’:
../target/avr/translate.c:1012:22: error: implicit conversion from ‘enum <anonymous>’ to ‘DisasJumpType’ [-Werror=enum-conversion]
 1012 |     ctx->base.is_jmp = DISAS_LOOKUP;
      |                      ^

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Michael Rolnik <mrolnik@gmail.com>
Message-Id: <20210706180936.249912-1-sw@weilnetz.de>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/target/avr/translate.c b/target/avr/translate.c
index 1111e08..438e7b1 100644
--- a/target/avr/translate.c
+++ b/target/avr/translate.c
@@ -70,11 +70,9 @@
 };
 #define REG(x) (cpu_r[x])
 
-enum {
-    DISAS_EXIT   = DISAS_TARGET_0,  /* We want return to the cpu main loop.  */
-    DISAS_LOOKUP = DISAS_TARGET_1,  /* We have a variable condition exit.  */
-    DISAS_CHAIN  = DISAS_TARGET_2,  /* We have a single condition exit.  */
-};
+#define DISAS_EXIT   DISAS_TARGET_0  /* We want return to the cpu main loop.  */
+#define DISAS_LOOKUP DISAS_TARGET_1  /* We have a variable condition exit.  */
+#define DISAS_CHAIN  DISAS_TARGET_2  /* We have a single condition exit.  */
 
 typedef struct DisasContext DisasContext;