drm/xe/xe3: Define Xe3 feature flags

Define a common set of Xe3 feature flags and definitions that will be
used for all platforms in this family.

The feature flags are inherited unchanged from the Xe2 (XE2_FEATURES)
platform.

Following B-spec details inherited from Xe2 feature flag definition
commit.

v2: reuse graphics_xe2 definition

Bspec: 58695
 - dma_mask_size remains 46   (not documented in bspec)
 - supports_usm=1             (Bspec 59651)
 - has_flatccs=1              (Bspec 58797)
 - has_4tile=1                (Bspec 58788)
 - has_asid=1                 (Bspec 59654, 59265, 60288)
 - has_range_tlb_invalidate=1 (Bspec 71126)
 - five-level page table      (Bspec 59505)
 - 1 VD + 1 VE + 1 SFC        (Bspec 67103, 70819)
 - platform engine mask       (Bspec 60149)

Cc: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Haridhar Kalvala <haridhar.kalvala@intel.com>
Signed-off-by: Matt Atwood <matthew.s.atwood@intel.com>
Reviewed-by: Shekhar Chauhan <shekhar.chauhan@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20241008013509.61233-3-matthew.s.atwood@intel.com