riscv: dts: eswin: harmonize device-tree

- use eswin/eic7700-hifive-premier-p550.dtb as device-tree name
- use "sifive,hifive-premier-p550", "eswin,eic7700" as compatible strings

Signed-off-by: Pritesh Patel <[email protected]>
Signed-off-by: Heinrich Schuchardt <[email protected]>

Author: xypron

arch/riscv/boot/dts/eswin/Makefile

@@ -1,3 +1,3 @@
 # SPDX-License-Identifier: GPL-2.0
-dtb-$(CONFIG_SOC_SIFIVE) += hifive-premier-p550.dtb
+dtb-$(CONFIG_SOC_SIFIVE) += eic7700-hifive-premier-p550.dtb
 obj-$(CONFIG_BUILTIN_DTB) += $(addsuffix .o, $(dtb-y))

arch/riscv/boot/dts/eswin/hifive-premier-p550.dts renamed to arch/riscv/boot/dts/eswin/eic7700-hifive-premier-p550.dts

@@ -41,7 +41,7 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 	model = "SiFive HiFive Premier P550";
-	compatible = "sifive,hifive-premier-p550";
+	compatible = "sifive,hifive-premier-p550", "eswin,eic7700";
 
 	aliases {
 		serial0 = &d0_uart0;