arm64: dts: meson: khadas-vim3: move model to g12b-khadas-vim3 dtsi

The common meson-khadas-vim3.dtsi is now shared with VIM3L so move the
VIM3 model name to meson-g12b-khadas-vim3.dtsi.

meson-sm1-khadas-vim3l.dts contains the VIM3L model name.

changes in v2
- fix typo in commit message
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/1583378508-14312-1-git-send-email-christianshewitt@gmail.com

arch/arm64/boot/dts/amlogic/meson-g12b-khadas-vim3.dtsi

@@ -8,6 +8,8 @@
 #include <dt-bindings/sound/meson-g12a-tohdmitx.h>
 
 / {
+	model = "Khadas VIM3";
+
 	vddcpu_a: regulator-vddcpu-a {
 		/*
 		 * MP8756GD Regulator.

arch/arm64/boot/dts/amlogic/meson-khadas-vim3.dtsi

@@ -9,8 +9,6 @@
 #include <dt-bindings/gpio/meson-g12a-gpio.h>
 
 / {
-	model = "Khadas VIM3";
-
 	aliases {
 		serial0 = &uart_AO;
 		ethernet0 = &ethmac;