drivers/serial/ns16550: move ifdef into Makefile COBJS-$(...)

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index b6fd0d7..0f980ab 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -28,10 +28,10 @@
 COBJS-$(CONFIG_ATMEL_USART) += atmel_usart.o
 COBJS-$(CONFIG_MCFUART) += mcfuart.o
 COBJS-$(CONFIG_NS9750_UART) += ns9750_serial.o
-COBJS-y += ns16550.o
+COBJS-$(CONFIG_SYS_NS16550) += ns16550.o
 COBJS-$(CONFIG_DRIVER_S3C4510_UART) += s3c4510b_uart.o
 COBJS-$(CONFIG_S3C64XX) += s3c64xx.o
-COBJS-y += serial.o
+COBJS-$(CONFIG_SYS_NS16550_SERIAL) += serial.o
 COBJS-$(CONFIG_IXP_SERIAL) += serial_ixp.o
 COBJS-$(CONFIG_MAX3100_SERIAL) += serial_max3100.o
 COBJS-$(CONFIG_PL010_SERIAL) += serial_pl01x.o
diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c
index 1b347e9..397f5df 100644
--- a/drivers/serial/ns16550.c
+++ b/drivers/serial/ns16550.c
@@ -5,9 +5,6 @@
  */
 
 #include <config.h>
-
-#ifdef CONFIG_SYS_NS16550
-
 #include <ns16550.h>
 
 #define LCRVAL LCR_8N1					/* 8 data, 1 stop, no parity */
@@ -36,7 +33,7 @@
 #else
 	com_port->mdr1 = 0;	/* /16 is proper to hit 115200 with 48MHz */
 #endif
-#endif
+#endif /* CONFIG_OMAP */
 }
 
 #ifndef CONFIG_NS16550_MIN_FUNCTIONS
@@ -80,4 +77,3 @@
 }
 
 #endif /* CONFIG_NS16550_MIN_FUNCTIONS */
-#endif
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index bce7548..966df9a 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -23,8 +23,6 @@
 
 #include <common.h>
 
-#ifdef CONFIG_SYS_NS16550_SERIAL
-
 #include <ns16550.h>
 #ifdef CONFIG_NS87308
 #include <ns87308.h>
@@ -328,5 +326,3 @@
 struct serial_device eserial4_device =
 	INIT_ESERIAL_STRUCTURE(4,"eserial3","EUART4");
 #endif /* CONFIG_SERIAL_MULTI */
-
-#endif