drm/i915: Add SKL GT1.5 PCI IDs

Add three new devices 0x1913, 0x1915, and 0x1917 also known as
iSKLULTGT15, iSKLULXGT15, and iSKLDTGT15.
Signed-off-by: Alexei Podtelezhnikov <apodtele@gmail.com>
[vsyrjala: Split separate changes into separate patchs,
           Sort the IDs]
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200716172106.2656-5-ville.syrjala@linux.intel.comReviewed-by: Anusha Srivatsa <anusha.srivatsa@intel.com>

include/drm/i915_pciids.h

@@ -329,17 +329,20 @@
 	INTEL_VGA_DEVICE(0x22b3, info)
 
 #define INTEL_SKL_ULT_GT1_IDS(info) \
-	INTEL_VGA_DEVICE(0x1906, info) /* ULT GT1 */
+	INTEL_VGA_DEVICE(0x1906, info), /* ULT GT1 */ \
+	INTEL_VGA_DEVICE(0x1913, info)  /* ULT GT1.5 */
 
 #define INTEL_SKL_ULX_GT1_IDS(info) \
-	INTEL_VGA_DEVICE(0x190E, info) /* ULX GT1 */
+	INTEL_VGA_DEVICE(0x190E, info), /* ULX GT1 */ \
+	INTEL_VGA_DEVICE(0x1915, info)  /* ULX GT1.5 */
 
 #define INTEL_SKL_GT1_IDS(info)	\
 	INTEL_SKL_ULT_GT1_IDS(info), \
 	INTEL_SKL_ULX_GT1_IDS(info), \
 	INTEL_VGA_DEVICE(0x1902, info), /* DT  GT1 */ \
 	INTEL_VGA_DEVICE(0x190B, info), /* Halo GT1 */ \
-	INTEL_VGA_DEVICE(0x190A, info) /* SRV GT1 */
+	INTEL_VGA_DEVICE(0x190A, info), /* SRV GT1 */ \
+	INTEL_VGA_DEVICE(0x1917, info)  /* DT  GT1.5 */
 
 #define INTEL_SKL_ULT_GT2_IDS(info) \
 	INTEL_VGA_DEVICE(0x1916, info), /* ULT GT2 */ \