Hexagon (target/hexagon) Fix shadow variable when idef-parser is off

Adding -Werror=shadow=compatible-local causes Hexagon not to build
when idef-parser is off.  The "label" variable in CHECK_NOSHUF_PRED
shadows a variable in the surrounding code.

Signed-off-by: Taylor Simpson <ltaylorsimpson@gmail.com>
Reviewed-by: Brian Cain <bcain@quicinc.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20231130183955.54314-1-ltaylorsimpson@gmail.com>
Signed-off-by: Brian Cain <bcain@quicinc.com>

target/hexagon/macros.h

@@ -93,13 +93,13 @@
 
 #define CHECK_NOSHUF_PRED(GET_EA, SIZE, PRED) \
     do { \
-        TCGLabel *label = gen_new_label(); \
-        tcg_gen_brcondi_tl(TCG_COND_EQ, PRED, 0, label); \
+        TCGLabel *noshuf_label = gen_new_label(); \
+        tcg_gen_brcondi_tl(TCG_COND_EQ, PRED, 0, noshuf_label); \
         GET_EA; \
         if (insn->slot == 0 && ctx->pkt->pkt_has_store_s1) { \
             probe_noshuf_load(EA, SIZE, ctx->mem_idx); \
         } \
-        gen_set_label(label); \
+        gen_set_label(noshuf_label); \
         if (insn->slot == 0 && ctx->pkt->pkt_has_store_s1) { \
             process_store(ctx, 1); \
         } \