drm/i915/uc: Rename intel_uc_fw.fw to .type

This field is used to determine which kind of firmware the struct
describes (GuC/HuC) - the name does not reflect.

The enum used here have "type" in the name, so let's go with that.

Cc: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: Oscar Mateo <oscar.mateo@intel.com>
Signed-off-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170315133415.15343-1-arkadiusz.hiler@intel.com
diff --git a/drivers/gpu/drm/i915/intel_uc.h b/drivers/gpu/drm/i915/intel_uc.h
index 170dd70..a35eded 100644
--- a/drivers/gpu/drm/i915/intel_uc.h
+++ b/drivers/gpu/drm/i915/intel_uc.h
@@ -121,7 +121,7 @@ struct intel_uc_fw {
 	uint16_t major_ver_found;
 	uint16_t minor_ver_found;
 
-	enum intel_uc_fw_type fw;
+	enum intel_uc_fw_type type;
 	uint32_t header_size;
 	uint32_t header_offset;
 	uint32_t rsa_size;