sof-kernel-log-check.sh: ignore unrelated ACPI error on LNL platform

This error means that data nodes failed to tie to ACPI handles.
But no audio impact, it's safe to ignore it on LNL.

Signed-off-by: Keqiao Zhang <keqiao.zhang@intel.com>

Author: keqiaozhang

tools/sof-kernel-log-check.sh

@@ -298,6 +298,11 @@ case "$platform" in
         # https://github.com/thesofproject/sof-test/issues/980
         # i2c_hid_acpi i2c-VEN_0488:00: i2c_hid_get_input: incomplete report (20/42405)
         ignore_str="$ignore_str""|i2c_hid_acpi i2c-VEN_0488:00: i2c_hid_get_input: incomplete report"
+    ;;
+    lnl)
+        # ignore the ACPI error on LNL.
+        # kernel: ACPI: \: Can't tag data node
+        ignore_str="$ignore_str""|kernel: ACPI: \\\\: Can't tag data node"
 esac
 
 # 'failed to change power setting' and other errors observed at boot