drm/xe/xe2: Enable Indirect Ring State support for Xe2

Indirect Ring State is the recommended mode for Xe2 platforms,
enable it by default.

v2: Set has_indirect_ring_state to '1' instead of 'true'
Signed-off-by: Niranjana Vishwanathapura <niranjana.vishwanathapura@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Reviewed-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240507224255.5059-5-niranjana.vishwanathapura@intel.com

drivers/gpu/drm/xe/xe_pci.c

@@ -166,6 +166,7 @@ static const struct xe_graphics_desc graphics_xelpg = {
 	.has_asid = 1, \
 	.has_atomic_enable_pte_bit = 1, \
 	.has_flat_ccs = 1, \
+	.has_indirect_ring_state = 1, \
 	.has_range_tlb_invalidation = 1, \
 	.has_usm = 1, \
 	.va_bits = 48, \