staging: mt7621-dts: update nor-flash info for gnubee1

The GNUBEE has 32MB flash, so set partitions accordingly.
Also remove "m25p,chunked-io" which isn't documented or
used anywhere (outside of freewrt).
Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/mt7621-dts/gbpc1.dts

@@ -75,7 +75,6 @@ m25p80@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
 		spi-max-frequency = <10000000>;
-		m25p,chunked-io = <32>;
 
 		partition@0 {
 			label = "u-boot";
@@ -97,7 +96,7 @@ factory: partition@40000 {
 
 		partition@50000 {
 			label = "firmware";
-			reg = <0x50000 0xFB0000>;
+			reg = <0x50000 0x1FB0000>;
 		};
 
 	};