drm/i915/lmem: use new struct drm_device based logging macros.

Replace instances of printk based logging macros with the new
struct drm_device logging macros in i915/intel_region_lmem.c.
Signed-off-by: Wambui Karuga <wambui.karugax@gmail.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/7f3df2575ab41a052b7beea86ecc5385edf6f6da.1578409433.git.wambui.karugax@gmail.com

drivers/gpu/drm/i915/intel_region_lmem.c

@@ -125,10 +125,12 @@ intel_setup_fake_lmem(struct drm_i915_private *i915)
 					 io_start,
 					 &intel_region_lmem_ops);
 	if (!IS_ERR(mem)) {
-		DRM_INFO("Intel graphics fake LMEM: %pR\n", &mem->region);
-		DRM_INFO("Intel graphics fake LMEM IO start: %llx\n",
+		drm_info(&i915->drm, "Intel graphics fake LMEM: %pR\n",
+			 &mem->region);
+		drm_info(&i915->drm,
+			 "Intel graphics fake LMEM IO start: %llx\n",
 			(u64)mem->io_start);
-		DRM_INFO("Intel graphics fake LMEM size: %llx\n",
+		drm_info(&i915->drm, "Intel graphics fake LMEM size: %llx\n",
 			 (u64)resource_size(&mem->region));
 	}