arm64: dts: rockchip: drop non-existent gmac2phy pinmux options from rk3328

When gmac2phy was added, a whole bunch of pinmux options were added.
Turns out some of these don't exist on the actual product, based on
the publicly available TRM.

Remove them.
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Link: https://lore.kernel.org/r/20200327030414.5903-4-wens@kernel.orgSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3328.dtsi

@@ -1794,10 +1794,6 @@ rmiim1_pins: rmiim1-pins {
 		};
 
 		gmac2phy {
-			fephyled_speed100: fephyled-speed100 {
-				rockchip,pins = <0 RK_PD7 1 &pcfg_pull_none>;
-			};
-
 			fephyled_speed10: fephyled-speed10 {
 				rockchip,pins = <0 RK_PD6 1 &pcfg_pull_none>;
 			};
@@ -1806,18 +1802,6 @@ fephyled_duplex: fephyled-duplex {
 				rockchip,pins = <0 RK_PD6 2 &pcfg_pull_none>;
 			};
 
-			fephyled_rxm0: fephyled-rxm0 {
-				rockchip,pins = <0 RK_PD5 1 &pcfg_pull_none>;
-			};
-
-			fephyled_txm0: fephyled-txm0 {
-				rockchip,pins = <0 RK_PD5 2 &pcfg_pull_none>;
-			};
-
-			fephyled_linkm0: fephyled-linkm0 {
-				rockchip,pins = <0 RK_PD4 1 &pcfg_pull_none>;
-			};
-
 			fephyled_rxm1: fephyled-rxm1 {
 				rockchip,pins = <2 RK_PD1 2 &pcfg_pull_none>;
 			};