bsp:ls2k:uniform coding style, use space for indentation

use space instead of table for indentation in ls2k_ram.lds

bsp/ls2kdev/ls2k_ram.lds

@@ -79,23 +79,21 @@ SECTIONS
     }
 
     . = ALIGN(4);
-	.ctors :
-	{
-		PROVIDE(__ctors_start__ = .);
-		KEEP(*(SORT(.ctors.*)))
-		KEEP(*(.ctors))
-		PROVIDE(__ctors_end__ = .);
-	}
-
-	.dtors :
-	{
-		PROVIDE(__dtors_start__ = .);
-		KEEP(*(SORT(.dtors.*)))
-		KEEP(*(.dtors))
-		PROVIDE(__dtors_end__ = .);
-	}
-
+    .ctors :
+    {
+        PROVIDE(__ctors_start__ = .);
+        KEEP(*(SORT(.ctors.*)))
+        KEEP(*(.ctors))
+        PROVIDE(__ctors_end__ = .);
+    }
 
+    .dtors :
+    {
+        PROVIDE(__dtors_start__ = .);
+        KEEP(*(SORT(.dtors.*)))
+        KEEP(*(.dtors))
+        PROVIDE(__dtors_end__ = .);
+    }
 
     .stack :
     {