isl: Fix the aux-map encoding for D24_UNORM_X8

Bspec: 53911 now defines the encoding for this format.

Cc: mesa-stable
Reviewed-by: Sagar Ghuge <sagar.ghuge@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7198>
diff --git a/src/intel/isl/isl.c b/src/intel/isl/isl.c
index ab82183..787a385 100644
--- a/src/intel/isl/isl.c
+++ b/src/intel/isl/isl.c
@@ -2941,7 +2941,7 @@
    case ISL_FORMAT_R32_SINT: return 0x12;
    case ISL_FORMAT_R32_UINT: return 0x13;
    case ISL_FORMAT_R32_FLOAT: return 0x11;
-   case ISL_FORMAT_R24_UNORM_X8_TYPELESS: return 0x11;
+   case ISL_FORMAT_R24_UNORM_X8_TYPELESS: return 0x13;
    case ISL_FORMAT_B5G6R5_UNORM: return 0xA;
    case ISL_FORMAT_B5G6R5_UNORM_SRGB: return 0xA;
    case ISL_FORMAT_B5G5R5A1_UNORM: return 0xA;