ARM: dts: uniphier: add pagesize property to EEPROM of proto boards

ST's spec says the page size of 24C64 is 32 byte.
Signed-off-by: NMasahiro Yamada <yamada.masahiro@socionext.com>

arch/arm/boot/dts/uniphier-pro4-ace.dts

@@ -90,6 +90,7 @@
 	eeprom@54 {
 		compatible = "st,24c64";
 		reg = <0x54>;
+		pagesize = <32>;
 	};
 };
 

arch/arm/boot/dts/uniphier-pro4-sanji.dts

@@ -85,6 +85,7 @@
 	eeprom@54 {
 		compatible = "st,24c64";
 		reg = <0x54>;
+		pagesize = <32>;
 	};
 };
 

arch/arm/boot/dts/uniphier-pxs2-gentil.dts

@@ -82,6 +82,7 @@
 	eeprom@54 {
 		compatible = "st,24c64";
 		reg = <0x54>;
+		pagesize = <32>;
 	};
 };