i915/guc: Add Kabylake GuC Loading

This patch added the loading of the GuC for Kabylake.
It loads a 9.14 firmware.

v2: Fix commit message
v3: Fix major/minor var names to match -nightly. (Rodrigo)

Cc: Christophe Prigent <christophe.prigent@intel.com>
Signed-off-by: Peter Antoine <peter.antoine@intel.com>
Signed-off-by: Michel Thierry <michel.thierry@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Michel Thierry <michel.thierry@intel.com> (v3)
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1467304672-2106-1-git-send-email-rodrigo.vivi@intel.com

drivers/gpu/drm/i915/intel_guc_loader.c

@@ -65,6 +65,9 @@ MODULE_FIRMWARE(I915_SKL_GUC_UCODE);
 #define I915_BXT_GUC_UCODE "i915/bxt_guc_ver8_7.bin"
 MODULE_FIRMWARE(I915_BXT_GUC_UCODE);
 
+#define I915_KBL_GUC_UCODE "i915/kbl_guc_ver9_14.bin"
+MODULE_FIRMWARE(I915_KBL_GUC_UCODE);
+
 /* User-friendly representation of an enum */
 const char *intel_guc_fw_status_repr(enum intel_guc_fw_status status)
 {
@@ -698,6 +701,10 @@ void intel_guc_init(struct drm_device *dev)
 		fw_path = I915_BXT_GUC_UCODE;
 		guc_fw->guc_fw_major_wanted = 8;
 		guc_fw->guc_fw_minor_wanted = 7;
+	} else if (IS_KABYLAKE(dev)) {
+		fw_path = I915_KBL_GUC_UCODE;
+		guc_fw->guc_fw_major_wanted = 9;
+		guc_fw->guc_fw_minor_wanted = 14;
 	} else {
 		fw_path = "";	/* unknown device */
 	}