arm/km: remove portl2.h and use km_kirkwood instead

The additional headerfile is unneeded here, we can use the generic
km_kirkwood.h instead. And we can use the better config option
KM_PIGGY4_88E6061 for the specific features for boards with this
design in km_arm.c.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>
cc: Gerlando Falauto <gerlando.falauto@keymile.com>
cc: Prafulla Wadaskar <prafulla@marvell.com>
diff --git a/include/configs/km_kirkwood.h b/include/configs/km_kirkwood.h
index f5b9d27..44a3e7a6 100644
--- a/include/configs/km_kirkwood.h
+++ b/include/configs/km_kirkwood.h
@@ -83,6 +83,14 @@
 #define CONFIG_HOSTNAME			kmcoge5un
 #define CONFIG_KM_DISABLE_PCIE
 #define CONFIG_KM_PIGGY4_88E6352
+
+/* KM_PORTL2 */
+#elif defined(CONFIG_KM_PORTL2)
+#define CONFIG_IDENT_STRING		"\nKeymile Port-L2"
+#define CONFIG_HOSTNAME			portl2
+#define KM_IVM_BUS			"pca9544a:70:9" /* I2C2 (Mux-Port 1)*/
+#define CONFIG_KM_PIGGY4_88E6061
+
 #else
 #error ("Board unsupported")
 #endif
diff --git a/include/configs/portl2.h b/include/configs/portl2.h
deleted file mode 100644
index e436cfe..0000000
--- a/include/configs/portl2.h
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * (C) Copyright 2009
- * Marvell Semiconductor <www.marvell.com>
- * Prafulla Wadaskar <prafulla@marvell.com>
- *
- * (C) Copyright 2009
- * Stefan Roese, DENX Software Engineering, sr@denx.de.
- *
- * (C) Copyright 2010-2011
- * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com.
- * Valentin Longchamp, Keymile AG Bern, valentin.longchamp@keymile.com
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301 USA
- */
-
-/* for linking errors see
- * http://lists.denx.de/pipermail/u-boot/2009-July/057350.html */
-
-#ifndef _CONFIG_PORTL2_H
-#define _CONFIG_PORTL2_H
-
-/* include common defines/options for all arm based Keymile boards */
-#include "km/km_arm.h"
-
-/*
- * Version number information
- */
-#define CONFIG_IDENT_STRING	"\nKeymile Port-L2"
-#define CONFIG_HOSTNAME			portl2
-#define CONFIG_PORTL2
-
-#define KM_IVM_BUS	"pca9544a:70:9" /* I2C2 (Mux-Port 1)*/
-/*
- * Note: This is only valid for HW > P1A if you got an outdated P1A
- *       use KM_ENV_BUS  "pca9544a:70:a"
- */
-#define KM_ENV_BUS	"pca9544a:70:d"	/* I2C2 (Mux-Port 5)*/
-
-/*
- * portl2 has a fixed link to the XMPP backplane
- * with 100MB full duplex and autoneg off, for this
- * reason we have to change the default settings
- */
-#define PORT_SERIAL_CONTROL_VALUE		( \
-	MVGBE_FORCE_LINK_PASS			| \
-	MVGBE_DIS_AUTO_NEG_FOR_DUPLX		| \
-	MVGBE_DIS_AUTO_NEG_FOR_FLOW_CTRL	| \
-	MVGBE_ADV_NO_FLOW_CTRL			| \
-	MVGBE_FORCE_FC_MODE_NO_PAUSE_DIS_TX	| \
-	MVGBE_FORCE_BP_MODE_NO_JAM		| \
-	(1 << 9) /* Reserved bit has to be 1 */	| \
-	MVGBE_DO_NOT_FORCE_LINK_FAIL		| \
-	MVGBE_DIS_AUTO_NEG_SPEED_GMII		| \
-	MVGBE_DTE_ADV_0				| \
-	MVGBE_MIIPHY_MAC_MODE			| \
-	MVGBE_AUTO_NEG_NO_CHANGE		| \
-	MVGBE_MAX_RX_PACKET_1552BYTE		| \
-	MVGBE_CLR_EXT_LOOPBACK			| \
-	MVGBE_SET_FULL_DUPLEX_MODE		| \
-	MVGBE_DIS_FLOW_CTRL_TX_RX_IN_FULL_DUPLEX	|\
-	MVGBE_SET_GMII_SPEED_TO_10_100	|\
-	MVGBE_SET_MII_SPEED_TO_100)
-
-/*
- * portl2 does use the PCIe Port0
- */
-#define  CONFIG_KIRKWOOD_PCIE_INIT
-
-#endif /* _CONFIG_PORTL2_H */