mainboard: Trivial - drop trailing blank lines at EOF

Change-Id: If29a70be4fb56ebb0dbf6d510412cbe2f34480ef
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6291
Tested-by: build bot (Jenkins)
Reviewed-by: Idwer Vollering <vidwer@gmail.com>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>

src/mainboard/intel/baskingridge/cmos.layout

@@ -131,5 +131,3 @@ enumerations
 checksums
 
 checksum 392 415 984
-
-