uart8250: Move under drivers/uart

Change-Id: Ic65ffaaa092330ed68d891e4a09a8b86cdc04a3a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5236
Tested-by: build bot (Jenkins)
diff --git a/src/drivers/uart/Makefile.inc b/src/drivers/uart/Makefile.inc
index 52a7024..3a9ca3d 100644
--- a/src/drivers/uart/Makefile.inc
+++ b/src/drivers/uart/Makefile.inc
@@ -5,6 +5,18 @@
 smm-y += util.c
 endif
 
+ifeq ($(CONFIG_CONSOLE_SERIAL8250),y)
+romstage-y += uart8250io.c
+ramstage-y += uart8250io.c
+smm-y += uart8250io.c
+endif
+
+ifeq ($(CONFIG_CONSOLE_SERIAL8250MEM),y)
+romstage-y += uart8250mem.c
+ramstage-y += uart8250mem.c
+smm-y += uart8250mem.c
+endif
+
 ifeq ($(CONFIG_CONSOLE_SERIAL_UART),y)
 
 ifeq ($(CONFIG_DRIVERS_UART_PL011),y)