uboot-mediatek: refresh patches

Patch 290-mt7981-add-USB-nodes.patch needs a refresh.

Signed-off-by: Daniel Golle <daniel@makrotopia.org>

package/boot/uboot-mediatek/patches/290-mt7981-add-USB-nodes.patch

@@ -8,8 +8,6 @@ Signed-off-by: John Crispin <john@phrozen.org>
  arch/arm/dts/mt7981.dtsi | 47 ++++++++++++++++++++++++++++++++++++++++
  1 file changed, 47 insertions(+)
 
-diff --git a/arch/arm/dts/mt7981.dtsi b/arch/arm/dts/mt7981.dtsi
-index bda80ac9..6f4e5b9f 100644
 --- a/arch/arm/dts/mt7981.dtsi
 +++ b/arch/arm/dts/mt7981.dtsi
 @@ -6,6 +6,7 @@
@@ -71,6 +69,3 @@ index bda80ac9..6f4e5b9f 100644
 +		};
 +	};
  };
--- 
-2.34.1
-