mainboard: Trivial - drop trailing blank lines at EOF

Change-Id: I05d6d22664155ac8478e665733f816776e277c22
Signed-off-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Reviewed-on: http://review.coreboot.org/6200
Tested-by: build bot (Jenkins)
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>

src/mainboard/google/link/intel_dp.c

@@ -164,4 +164,3 @@ intel_dp_aux_ch(u32 ch_ctl, u32 ch_data, u32 *send, int send_bytes,
 
 	return recv_bytes;
 }
-