mpc85xx, socrates: enable DM serial

switch to DM_SERIAL support.

Signed-off-by: Heiko Schocher <hs@denx.de>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/board/socrates/socrates.c b/board/socrates/socrates.c
index f51b020..8549883 100644
--- a/board/socrates/socrates.c
+++ b/board/socrates/socrates.c
@@ -271,3 +271,8 @@
 	return fw_dtb;
 }
 #endif
+
+int get_serial_clock(void)
+{
+	return 333333330;
+}
diff --git a/configs/socrates_defconfig b/configs/socrates_defconfig
index 80b5631..5bd60e0 100644
--- a/configs/socrates_defconfig
+++ b/configs/socrates_defconfig
@@ -46,6 +46,9 @@
 CONFIG_TSEC_ENET=y
 CONFIG_DM_RTC=y
 CONFIG_RTC_RX8025=y
+CONFIG_SPECIFY_CONSOLE_INDEX=y
+CONFIG_DM_SERIAL=y
+CONFIG_SERIAL_SEARCH_ALL=y
 CONFIG_SYS_NS16550=y
 CONFIG_USB=y
 CONFIG_DM_USB=y
diff --git a/include/configs/socrates.h b/include/configs/socrates.h
index 425d758..7adaa34 100644
--- a/include/configs/socrates.h
+++ b/include/configs/socrates.h
@@ -148,18 +148,6 @@
 #define CONFIG_SYS_BR2_PRELIM		0xc80018a1	/* UPMB, 32-bit	*/
 #define CONFIG_SYS_OR2_PRELIM		0xfc000000	/* 64 MB	*/
 
-/* Serial Port */
-
-#define CONFIG_SYS_NS16550_SERIAL
-#define CONFIG_SYS_NS16550_REG_SIZE	1
-#define CONFIG_SYS_NS16550_CLK		get_bus_freq(0)
-
-#define CONFIG_SYS_NS16550_COM1	(CONFIG_SYS_CCSRBAR+0x4500)
-#define CONFIG_SYS_NS16550_COM2	(CONFIG_SYS_CCSRBAR+0x4600)
-
-#define CONFIG_SYS_BAUDRATE_TABLE  \
-	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400,115200}
-
 #define CONFIG_SYS_SPD_BUS_NUM 0
 
 #define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS	4