pan/genxml: Fix inverted logic on nr_regs

v10 have 96 and v12+ have 128, not the opposite.

Fixes: 811525b543 ("pan/genxml: Build libpanfrost_decode for v12")
Signed-off-by: Mary Guillemard <mary.guillemard@collabora.com>
Reviewed-by: Boris Brezillon <boris.brezillon@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/34815>
(cherry picked from commit 8447f7aaae41ce88587aedb77acafb571a6763b8)

.pick_status.json

@@ -384,7 +384,7 @@
         "description": "pan/genxml: Fix inverted logic on nr_regs",
         "nominated": true,
         "nomination_type": 2,
-        "resolution": 0,
+        "resolution": 1,
         "main_sha": null,
         "because_sha": "811525b543b5a0581af9bb4b17bb92edbde6fe0a",
         "notes": null

src/panfrost/lib/genxml/decode_csf.c

@@ -1669,7 +1669,7 @@ GENX(pandecode_interpret_cs)(struct pandecode_context *ctx, uint64_t queue,
 
    /* v10 has 96 registers. v12+ have 128. */
    struct queue_ctx qctx = {
-      .nr_regs = PAN_ARCH >= 12 ? 96 : 128,
+      .nr_regs = PAN_ARCH >= 12 ? 128 : 96,
       .regs = regs,
       .ip = cs,
       .end = cs + (size / 8),
@@ -2484,7 +2484,7 @@ GENX(pandecode_cs_trace)(struct pandecode_context *ctx, uint64_t trace,
 
       /* v10 has 96 registers. v12+ have 128. */
       struct queue_ctx qctx = {
-         .nr_regs = PAN_ARCH >= 12 ? 96 : 128,
+         .nr_regs = PAN_ARCH >= 12 ? 128 : 96,
          .regs = regs,
          .ip = instr,
          .end = instr + 1,