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, 38 deletions

diff --git a/target/linux/layerscape/patches-5.4/806-dma-0018-dma-imx-add-the-32bit-dma-limitation.patch b/target/linux/layerscape/patches-5.4/806-dma-0018-dma-imx-add-the-32bit-dma-limitation.patch
deleted file mode 100644
index 7c1f4f94cd..0000000000
--- a/target/linux/layerscape/patches-5.4/806-dma-0018-dma-imx-add-the-32bit-dma-limitation.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-From bd7176b9cb91671b248fbdef0c65d2893fd78226 Mon Sep 17 00:00:00 2001
-From: Richard Zhu <hongxing.zhu@nxp.com>
-Date: Fri, 25 Jan 2019 18:02:22 +0800
-Subject: [PATCH] dma: imx: add the 32bit dma limitation
-
-Since the imx8qm/qxp hsio only supports up to 32bit
-dma capability.
-Add the 32bit dma limitation into dma binding document.
-
-Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
----
- Documentation/devicetree/bindings/dma/fsl-imx-dma.txt | 15 +++++++++++++++
- 1 file changed, 15 insertions(+)
-
---- a/Documentation/devicetree/bindings/dma/fsl-imx-dma.txt
-+++ b/Documentation/devicetree/bindings/dma/fsl-imx-dma.txt
-@@ -16,6 +16,21 @@ Optional properties:
- - #dma-channels : Number of DMA channels supported. Should be 16.
- - #dma-requests : Number of DMA requests supported.
- 
-+* DMA capability limitation
-+
-+Specify the DMA capability limitations.
-+For example, some SoCs only support up to 32bit DMA capability, although
-+they are 64bit SoCs.
-+
-+- only-dma-mask32: 1 means that the SoCs only suppot up to 32bit DMA
-+  capability.
-+
-+Example:
-+	dma_cap: dma_cap {
-+		compatible = "dma-capability";
-+		only-dma-mask32 = <1>;
-+	};
-+
- Example:
- 
- 	dma: dma@10001000 {