intel/dev: default to B stepping on DG2 for offline compiler

Most people won't have A0 stepping now.

Signed-off-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Acked-by: Jason Ekstrand <jason.ekstrand@collabora.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/15486>

src/intel/dev/intel_device_info.c

@@ -1057,6 +1057,7 @@ static const struct intel_device_info intel_device_info_sg1 = {
 #define DG2_FEATURES                                            \
    /* (Sub)slice info comes from the kernel topology info */    \
    XEHP_FEATURES(0, 1, 0),                                      \
+   .revision = 4, /* For offline compiler */                    \
    .num_subslices = dual_subslices(1),                          \
    .has_lsc = true,                                             \
    .apply_hwconfig = true,                                      \