generic: add missing patch headers

Make sure all patches can be applied to a git tree using 'git am'
by adding missing patch headers where needed.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

target/linux/generic/pending-6.6/741-net-phy-realtek-support-interrupt-of-RTL8221B.patch

@@ -1,3 +1,15 @@
+From d7943c31d57c11e1a517aa3ce2006fca44866870 Mon Sep 17 00:00:00 2001
+From: Jianhui Zhao <zhaojh329@gmail.com>
+Date: Sun, 24 Sep 2023 22:15:00 +0800
+Subject: [PATCH] net: phy: realtek: add interrupt support for RTL8221B
+
+This commit introduces interrupt support for RTL8221B.
+
+Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
+---
+ drivers/net/phy/realtek.c | 47 +++++++++++++++++++++++++++++++++++++++
+ 1 file changed, 47 insertions(+)
+
 --- a/drivers/net/phy/realtek.c
 +++ b/drivers/net/phy/realtek.c
 @@ -1026,6 +1026,51 @@ static int rtl8221b_config_init(struct p