patches/openwrt: mpc85xx: fix rgmii delays: drop

This patch was only for Linux kernel 5.4, but we are using Linux kernel
5.10, so we can safely drop this.

patches/openwrt/wip/0008-mpc85xx-turris1x-fix-rgmii-delays.patch

-From 73b811092b805df44105a292a645518c58d19207 Mon Sep 17 00:00:00 2001
-From: =?UTF-8?q?Marek=20Beh=C3=BAn?= <marek.behun@nic.cz>
-Date: Thu, 5 Sep 2019 14:24:13 +0200
-Subject: [PATCH] mpc85xx: turris1x: fix rgmii delays
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-Add patches that fix rgmii delays for qca8k DSA driver.
-
-Signed-off-by: Marek Behún <marek.behun@nic.cz>
----
- .../401-net-dsa-qca8k-fix-turris-1x.patch          | 14 ++++++++++++++
- 1 file changed, 14 insertions(+)
- create mode 100644 target/linux/mpc85xx/patches-5.4/401-net-dsa-qca8k-fix-turris-1x.patch
-
-diff --git a/target/linux/mpc85xx/patches-5.4/401-net-dsa-qca8k-fix-turris-1x.patch b/target/linux/mpc85xx/patches-5.4/401-net-dsa-qca8k-fix-turris-1x.patch
-new file mode 100644
-index 0000000000..0ec9a7fd71
---- /dev/null
-+++ b/target/linux/mpc85xx/patches-5.4/401-net-dsa-qca8k-fix-turris-1x.patch
-@@ -0,0 +1,14 @@
-+diff -Naurp a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c
-+--- a/drivers/net/dsa/qca8k.c	2021-12-01 09:23:36.000000000 +0100
-++++ b/drivers/net/dsa/qca8k.c	2021-12-21 00:32:23.777571556 +0100
-+@@ -451,8 +451,8 @@ qca8k_set_pad_ctrl(struct qca8k_priv *pr
-+ 		 */
-+ 		qca8k_write(priv, reg,
-+ 			    QCA8K_PORT_PAD_RGMII_EN |
-+-			    QCA8K_PORT_PAD_RGMII_TX_DELAY(QCA8K_MAX_DELAY) |
-+-			    QCA8K_PORT_PAD_RGMII_RX_DELAY(QCA8K_MAX_DELAY));
-++			    QCA8K_PORT_PAD_RGMII_TX_DELAY(1) |
-++			    QCA8K_PORT_PAD_RGMII_RX_DELAY(2));
-+ 		qca8k_write(priv, QCA8K_REG_PORT5_PAD_CTRL,
-+ 			    QCA8K_PORT_PAD_RGMII_RX_DELAY_EN);
-+ 		break;
--- 
-2.32.0
-