arm64: dts: mediatek: mt8192-asurada: Add MFG0 domain supply

The mfg0 power domain encompasses the whole GPU and its surrounding
glue logic. This power domain has a separate power rail.

Add its power supply for Asurada.
Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>
[wenst@chromium.org: fix subject prefix and add commit message]
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
[Angelo: Reordered commits to address DVFS stability issues]
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Chen-Yu Tsai <wenst@chromium.org>
Tested-by: Chen-Yu Tsai <wenst@chromium.org>
Link: https://lore.kernel.org/r/20230301095523.428461-10-angelogioacchino.delregno@collabora.comSigned-off-by: Matthias Brugger <matthias.bgg@gmail.com>

arch/arm64/boot/dts/mediatek/mt8192-asurada.dtsi

@@ -380,6 +380,10 @@ &i2c7 {
 	pinctrl-0 = <&i2c7_pins>;
 };
 
+&mfg0 {
+	domain-supply = <&mt6315_7_vbuck1>;
+};
+
 &mipi_tx0 {
 	status = "okay";
 };

arch/arm64/boot/dts/mediatek/mt8192.dtsi

@@ -497,7 +497,7 @@ power-domain@MT8192_POWER_DOMAIN_CONN {
 					#power-domain-cells = <0>;
 				};
 
-				power-domain@MT8192_POWER_DOMAIN_MFG0 {
+				mfg0: power-domain@MT8192_POWER_DOMAIN_MFG0 {
 					reg = <MT8192_POWER_DOMAIN_MFG0>;
 					clocks = <&topckgen CLK_TOP_MFG_PLL_SEL>,
 						 <&topckgen CLK_TOP_MFG_REF_SEL>;