ARM: dts: imx7-tqma7: Add missing vcc supply to i2c eeproms

Fixes the warnings:
at24 0-0050: supply vcc not found, using dummy regulator
at24 0-0056: supply vcc not found, using dummy regulator
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/nxp/imx/imx7-tqma7.dtsi

@@ -149,6 +149,7 @@ m24c64: eeprom@50 {
 		read-only;
 		reg = <0x50>;
 		pagesize = <32>;
+		vcc-supply = <&vgen4_reg>;
 		status = "okay";
 	};
 
@@ -156,6 +157,7 @@ at24c02: eeprom@56 {
 		compatible = "nxp,se97b", "atmel,24c02";
 		reg = <0x56>;
 		pagesize = <16>;
+		vcc-supply = <&vgen4_reg>;
 		status = "okay";
 	};