ARM: dts: imx28-m28: Remove unneeded partition nodes

mtdparts is passed from command line, so there is no need to have a
default partitioning in device-tree.
Suggested-by: Marek Vasut <marex@denx.de>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm/boot/dts/imx28-m28.dtsi

@@ -27,32 +27,6 @@ gpmi-nand@8000c000 {
 				pinctrl-names = "default";
 				pinctrl-0 = <&gpmi_pins_a &gpmi_status_cfg>;
 				status = "okay";
-
-				partition@0 {
-					label = "bootloader";
-					reg = <0x00000000 0x00300000>;
-					read-only;
-				};
-
-				partition@1 {
-					label = "environment";
-					reg = <0x00300000 0x00080000>;
-				};
-
-				partition@2 {
-					label = "redundant-environment";
-					reg = <0x00380000 0x00080000>;
-				};
-
-				partition@3 {
-					label = "kernel";
-					reg = <0x00400000 0x00400000>;
-				};
-
-				partition@4 {
-					label = "filesystem";
-					reg = <0x00800000 0x0f800000>;
-				};
 			};
 		};