drm/xe/guc: Reduce a print from warn to debug

Reduce debug print from warn to debug to avoid unnecessary warning
message in dmesg: the firmware loading logic already has the right
printk priority level when checking the firmware version.

Fixes: c5a06c9 ("drm/xe/guc: Enable WA 14018913170")
Suggested-by: Lucas De Marchi <lucas.demarchi@intel.com>
Signed-off-by: Karthik Poosa <karthik.poosa@intel.com>
Reviewed-by: Stuart Summers <stuart.summers@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240125165652.3764711-1-karthik.poosa@intel.com
[ slightly reword debug and commit messages ]
Signed-off-by: Lucas De Marchi <lucas.demarchi@intel.com>

drivers/gpu/drm/xe/xe_guc.c

@@ -174,8 +174,8 @@ static u32 guc_ctl_wa_flags(struct xe_guc *guc)
 		if (GUC_VER(version->major, version->minor, version->patch) >= GUC_VER(70, 7, 0))
 			flags |= GUC_WA_ENABLE_TSC_CHECK_ON_RC6;
 		else
-			drm_warn(&xe->drm, "can't apply WA 14018913170, GUC version expected >= 70.7.0, found %u %u %u\n",
-				 version->major, version->minor, version->patch);
+			drm_dbg(&xe->drm, "Skip WA 14018913170: GUC version expected >= 70.7.0, found %u.%u.%u\n",
+				version->major, version->minor, version->patch);
 	}
 
 	return flags;