ARM: shmobile: kzm9d: remove nfsroot settings from bootargs

NFS detail settings like "nfsroot=,rsize=4096,wsize=4096" are no longer needed
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/emev2-kzm9d-reference.dts

@@ -21,7 +21,7 @@ memory {
 	};
 
 	chosen {
-		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096";
+		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp";
 	};
 
 	reg_1p8v: regulator@0 {

arch/arm/boot/dts/emev2-kzm9d.dts

@@ -21,6 +21,6 @@ memory {
 	};
 
 	chosen {
-		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp nfsroot=,rsize=4096,wsize=4096";
+		bootargs = "console=ttyS1,115200n81 ignore_loglevel root=/dev/nfs ip=dhcp";
 	};
 };