boards: microchip: sam: remove extra new lines from sama7g54_ek.dts

Remove extra new lines to satisfy the requirement of DevicetreeLinting.

Signed-off-by: Tony Han <tony.han@microchip.com>
diff --git a/boards/microchip/sam/sama7g54_ek/sama7g54_ek.dts b/boards/microchip/sam/sama7g54_ek/sama7g54_ek.dts
index 56faded..81cb195 100644
--- a/boards/microchip/sam/sama7g54_ek/sama7g54_ek.dts
+++ b/boards/microchip/sam/sama7g54_ek/sama7g54_ek.dts
@@ -264,7 +264,6 @@
 			bias-pull-up;
 		};
 	};
-
 };
 
 &pit64b0 {