board-rockpro64-fix-spi1-flash-speed(:1)

Original-Subject: [ARCHEOLOGY] slow SPIFlash to avoid errors
> X-Git-Archeology: - Revision ea20f750bfead37ced7b604a44f8f014e317abad: armbian/build@ea20f75
> X-Git-Archeology:   Date: Sat, 05 Jan 2019 09:50:02 -0500
> X-Git-Archeology:   From: Martin Ayotte <martinayotte@yahoo.ca>
> X-Git-Archeology:   Subject: slow SPIFlash to avoid errors
> X-Git-Archeology: 
> X-Git-Archeology: - Revision a186fd498404fdae7d3a25dec64f014c590027d6: armbian/build@a186fd4
> X-Git-Archeology:   Date: Wed, 05 Feb 2020 00:19:00 +0100
> X-Git-Archeology:   From: Piotr Szczepanik <piter75@gmail.com>
> X-Git-Archeology:   Subject: Switched rockchip64-dev to mainline kernel 5.5.y (#1781)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 5e251dc4148f7a7e3fa61d440c5a268626624de3: armbian/build@5e251dc
> X-Git-Archeology:   Date: Mon, 06 Apr 2020 19:06:28 +0200
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Merged rockpi-s dev info rockchip64-dev and moved to 5.6.y (#1874)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 812245def37a695bce9e7ece148b2920d82c8b37: armbian/build@812245d
> X-Git-Archeology:   Date: Sat, 18 Jul 2020 23:07:01 +0200
> X-Git-Archeology:   From: Werner <EvilOlaf@users.noreply.github.com>
> X-Git-Archeology:   Subject: Move rockchip/64 current to 5.7.y (#2099)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 40665cde86285060e6bdd5ef7dc33be6c301ec66: armbian/build@40665cd
> X-Git-Archeology:   Date: Sun, 13 Dec 2020 23:22:08 -0500
> X-Git-Archeology:   From: tonymac32 <tonymckahan@gmail.com>
> X-Git-Archeology:   Subject: [ rockchip64 ] Patch reorg round 2
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 0cdffb29b07305209efb12cf3b5ac6032d3a1153: armbian/build@0cdffb2
> X-Git-Archeology:   Date: Wed, 24 Mar 2021 19:01:53 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Renaming DEV branch to EDGE (#2704)
> X-Git-Archeology: 
> X-Git-Archeology: - Revision 92f1a22d76b987afa7ba555d5b509adc51d689e7: armbian/build@92f1a22
> X-Git-Archeology:   Date: Fri, 16 Dec 2022 13:38:13 +0100
> X-Git-Archeology:   From: Igor Pecovnik <igorpecovnik@users.noreply.github.com>
> X-Git-Archeology:   Subject: Re-add rockchip64 6.0 patches (#4575)
> X-Git-Archeology: 
X-Armbian: Patch-File: board-rockpro64-fix-spi1-flash-speed
X-Armbian: Patch-File-Counter: 1
X-Armbian: Patch-Rel-Directory: patch/kernel/archive/rockchip64-6.1
X-Armbian: Patch-Type: kernel
X-Armbian: Patch-Root-Type: core
X-Armbian: Patch-Sub-Type: common
X-Armbian: Original-Subject: [ARCHEOLOGY] slow SPIFlash to avoid errors

arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi

@@ -844,7 +844,7 @@
 	flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		spi-max-frequency = <10000000>;
+		spi-max-frequency = <3000000>;
 	};
 };