drm/i915/kbl: Use propper ddi buffer translation table for Kabylake ULT and ULX.

Let's introduce ULT and ULX Kabylake definitions and start
using it for a propper DDI buffer translation.

v2: Remove extra white space. (Paulo)

Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 5b3830e..1357592 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2488,6 +2488,14 @@
 #define IS_SKL_ULX(dev)		(INTEL_DEVID(dev) == 0x190E || \
 				 INTEL_DEVID(dev) == 0x1915 || \
 				 INTEL_DEVID(dev) == 0x191E)
+#define IS_KBL_ULT(dev)		(INTEL_DEVID(dev) == 0x5906 || \
+				 INTEL_DEVID(dev) == 0x5913 || \
+				 INTEL_DEVID(dev) == 0x5916 || \
+				 INTEL_DEVID(dev) == 0x5921 || \
+				 INTEL_DEVID(dev) == 0x5926)
+#define IS_KBL_ULX(dev)		(INTEL_DEVID(dev) == 0x590E || \
+				 INTEL_DEVID(dev) == 0x5915 || \
+				 INTEL_DEVID(dev) == 0x591E)
 #define IS_SKL_GT3(dev)		(IS_SKYLAKE(dev) && \
 				 (INTEL_DEVID(dev) & 0x00F0) == 0x0020)
 #define IS_SKL_GT4(dev)		(IS_SKYLAKE(dev) && \