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

@@ -95,8 +95,6 @@ SECTIONS
         PROVIDE(__dtors_end__ = .);
     }
 
-
-
     .stack :
     {
         . = ALIGN(8);