linux-yocto_5.4: Drop bbappend

5.4 recipe has been dropped from oe-core

Signed-off-by: Khem Raj <raj.khem@gmail.com>

recipes-kernel/linux/linux-yocto/0001-ARM-dts-rockchip-Keep-rk3288-tinker-SD-card-IO-power.patch

@@ -1,31 +0,0 @@
-From 04ab2a1f052f363985b373f07ea71840918378d2 Mon Sep 17 00:00:00 2001
-From: Joshua Watt <JPEWhacker@gmail.com>
-Date: Wed, 19 Feb 2020 13:10:32 -0600
-Subject: [PATCH] ARM: dts: rockchip: Keep rk3288-tinker SD card IO powered
- during reboot
-
-IO voltage regulator for the SD card must be kept on all the time,
-otherwise when the board reboots the SD card can't be read by the
-bootloader.
-
-Signed-off-by: Joshua Watt <JPEWhacker@gmail.com>
-Upstream-Status: Accepted in 5.7
----
- arch/arm/boot/dts/rk3288-tinker.dtsi | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/arch/arm/boot/dts/rk3288-tinker.dtsi b/arch/arm/boot/dts/rk3288-tinker.dtsi
-index 312582c1bd37..acfaa12ec239 100644
---- a/arch/arm/boot/dts/rk3288-tinker.dtsi
-+++ b/arch/arm/boot/dts/rk3288-tinker.dtsi
-@@ -276,6 +276,7 @@
- 			};
- 
- 			vccio_sd: LDO_REG5 {
-+				regulator-always-on;
- 				regulator-boot-on;
- 				regulator-min-microvolt = <1800000>;
- 				regulator-max-microvolt = <3300000>;
--- 
-2.17.1
-

recipes-kernel/linux/linux-yocto_5.4.bbappend

@@ -1,5 +0,0 @@
-FILESEXTRAPATHS:prepend := "${THISDIR}/${PN}:"
-
-# tinker-board and tinker-board-s. rk3288 covers both
-SRC_URI:append:rk3288 = " file://0001-ARM-dts-rockchip-Keep-rk3288-tinker-SD-card-IO-power.patch"
-