panvk: Fix descriptor decode

The expansion of DUMP_CL is missing parenthesis, making the dumping of
descriptors incorrect.

Fixes: 3b69edf825 ("pan/genxml: Enforce explicit packed types on pan_[un]pack")
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/33040>

src/panfrost/lib/genxml/decode.h

@@ -189,7 +189,7 @@ pandecode_log_cont(struct pandecode_context *ctx, const char *format, ...)
 
 #define DUMP_CL(ctx, T, cl, ...)                                               \
    {                                                                           \
-      pan_unpack((MALI_##T##_PACKED_T *)cl, T, temp);                          \
+      pan_unpack((MALI_##T##_PACKED_T *)(cl), T, temp);                        \
       DUMP_UNPACKED(ctx, T, temp, __VA_ARGS__);                                \
    }