arm64: dts: meson-sm1: fix typo in opp table

The freqency 1512000000 should be 1500000000.

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Fixes: 3d9e764 ("arm64: dts: meson-sm1-sei610: enable DVFS")
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20201130060320.GA30098@anyang-linuxfactory-or-kr

arch/arm64/boot/dts/amlogic/meson-sm1.dtsi

@@ -130,7 +130,7 @@
 			opp-microvolt = <790000>;
 		};
 
-		opp-1512000000 {
+		opp-1500000000 {
 			opp-hz = /bits/ 64 <1500000000>;
 			opp-microvolt = <800000>;
 		};