Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/net/bluetooth/lib.c b/net/bluetooth/lib.c
index 63e65d9..5326f41 100644
--- a/net/bluetooth/lib.c
+++ b/net/bluetooth/lib.c
@@ -183,6 +183,55 @@
 }
 EXPORT_SYMBOL(bt_err);
 
+#ifdef CONFIG_BT_FEATURE_DEBUG
+static bool debug_enable;
+
+void bt_dbg_set(bool enable)
+{
+	debug_enable = enable;
+}
+
+bool bt_dbg_get(void)
+{
+	return debug_enable;
+}
+
+void bt_dbg(const char *format, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	if (likely(!debug_enable))
+		return;
+
+	va_start(args, format);
+
+	vaf.fmt = format;
+	vaf.va = &args;
+
+	printk(KERN_DEBUG pr_fmt("%pV"), &vaf);
+
+	va_end(args);
+}
+EXPORT_SYMBOL(bt_dbg);
+#endif
+
+void bt_warn_ratelimited(const char *format, ...)
+{
+	struct va_format vaf;
+	va_list args;
+
+	va_start(args, format);
+
+	vaf.fmt = format;
+	vaf.va = &args;
+
+	pr_warn_ratelimited("%pV", &vaf);
+
+	va_end(args);
+}
+EXPORT_SYMBOL(bt_warn_ratelimited);
+
 void bt_err_ratelimited(const char *format, ...)
 {
 	struct va_format vaf;