kernel: delete Linux 5.4 config and patches

As the upcoming release will be based on Linux 5.10 only, remove all
kernel configuration as well as patches for Linux 5.4.
There were no targets still actively using Linux 5.4.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>
(cherry picked from commit 3a14580411adfb75f9a44eded9f41245b9e44606)

1 files changed, 0 insertions, 59 deletions

diff --git a/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch b/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch
deleted file mode 100644
index 443351fd52..0000000000
--- a/target/linux/layerscape/patches-5.4/805-display-0029-drm-imx-mhdp-Adjustment-core-rate-of-DP-TX-CTRL-for-.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 4d5ce89b5a6faa347464221e4b674be46b951245 Mon Sep 17 00:00:00 2001
-From: Wen He <wen.he_1@nxp.com>
-Date: Wed, 27 Nov 2019 18:24:11 +0800
-Subject: [PATCH] drm: imx: mhdp: Adjustment core rate of DP TX CTRL for
- LS1028A
-
-This Display TX CTRL clock should be ACLK/4, update it to align with
-the specification.
-
-Signed-off-by: Wen He <wen.he_1@nxp.com>
-Reviewed-by: Sandor Yu <sandor.yu@nxp.com>
----
- drivers/gpu/drm/bridge/cadence/cdns-dp-core.c | 4 ++++
- drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c         | 3 +++
- include/drm/bridge/cdns-mhdp-common.h         | 1 +
- 3 files changed, 8 insertions(+)
-
---- a/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-+++ b/drivers/gpu/drm/bridge/cadence/cdns-dp-core.c
-@@ -435,6 +435,7 @@ static int __cdns_dp_probe(struct platfo
- 	}
- 
- 	mhdp->is_hpd = true;
-+	mhdp->is_ls1028a = false;
- 
- 	mhdp->irq[IRQ_IN] = platform_get_irq_byname(pdev, "plug_in");
- 	if (mhdp->irq[IRQ_IN] < 0) {
-@@ -450,6 +451,9 @@ static int __cdns_dp_probe(struct platfo
- 
- 	cdns_dp_parse_dt(mhdp);
- 
-+	if (of_device_is_compatible(dev->of_node, "cdn,ls1028a-dp"))
-+		mhdp->is_ls1028a = true;
-+
- 	cdns_mhdp_plat_call(mhdp, power_on);
- 
- 	cdns_mhdp_plat_call(mhdp, firmware_init);
---- a/drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c
-+++ b/drivers/gpu/drm/imx/cdn-mhdp-imx8qm.c
-@@ -526,6 +526,9 @@ int cdns_mhdp_firmware_init_imx8qm(struc
- 
- 	/* configure HDMI/DP core clock */
- 	rate = clk_get_rate(imx_mhdp->clks.clk_core);
-+	if (mhdp->is_ls1028a)
-+		rate = rate / 4;
-+
- 	cdns_mhdp_set_fw_clk(&imx_mhdp->mhdp, rate);
- 
- 	/* un-reset ucpu */
---- a/include/drm/bridge/cdns-mhdp-common.h
-+++ b/include/drm/bridge/cdns-mhdp-common.h
-@@ -685,6 +685,7 @@ struct cdns_mhdp_device {
- 	bool power_up;
- 	bool plugged;
- 	bool is_hpd;
-+	bool is_ls1028a;
- 	struct mutex lock;
- 	struct mutex iolock;
-