drm/i915/guc: Rename intel_guc_loader.c to intel_guc_fw.c

Remaining functions in intel_guc_loader.c were focused around
GuC firmware. Rename them to match object-verb pattern and
rename file itself.

Suggested-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Cc: Sagar Arun Kamble <sagar.a.kamble@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016144724.17244-6-michal.wajdeczko@intel.com

drivers/gpu/drm/i915/intel_uc.c

@@ -68,7 +68,7 @@ void intel_uc_sanitize_options(struct drm_i915_private *dev_priv)
 		if (HAS_HUC_UCODE(dev_priv))
 			intel_huc_select_fw(&dev_priv->huc);
 
-		if (intel_guc_select_fw(&dev_priv->guc))
+		if (intel_guc_fw_select(&dev_priv->guc))
 			i915_modparams.enable_guc_loading = 0;
 	}
 
@@ -196,7 +196,7 @@ int intel_uc_init_hw(struct drm_i915_private *dev_priv)
 
 		intel_huc_init_hw(&dev_priv->huc);
 		intel_guc_init_params(guc);
-		ret = intel_guc_init_hw(&dev_priv->guc);
+		ret = intel_guc_fw_upload(guc);
 		if (ret == 0 || ret != -EAGAIN)
 			break;