powerpc/mpc83xx: Support for MPC8308 P1M board

This patch adds support for MPC8308 P1M board.
Supported devices:
 DUART
 Dual Ethernet
 NOR flash
 Both I2C controllers
 USB in peripheral mode
 PCI Express

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/platforms/83xx/Kconfig

@@ -10,12 +10,12 @@ menuconfig PPC_83xx
 if PPC_83xx
 
 config MPC830x_RDB
-	bool "Freescale MPC830x RDB"
+	bool "Freescale MPC830x RDB and derivatives"
 	select DEFAULT_UIMAGE
 	select PPC_MPC831x
 	select FSL_GTM
 	help
-	  This option enables support for the MPC8308 RDB board.
+	  This option enables support for the MPC8308 RDB and MPC8308 P1M boards.
 
 config MPC831x_RDB
 	bool "Freescale MPC831x RDB"

arch/powerpc/platforms/83xx/mpc830x_rdb.c

@@ -65,7 +65,8 @@ static int __init mpc830x_rdb_probe(void)
 	unsigned long root = of_get_flat_dt_root();
 
 	return of_flat_dt_is_compatible(root, "MPC8308RDB") ||
-	       of_flat_dt_is_compatible(root, "fsl,mpc8308rdb");
+	       of_flat_dt_is_compatible(root, "fsl,mpc8308rdb") ||
+	       of_flat_dt_is_compatible(root, "denx,mpc8308_p1m");
 }
 
 static struct of_device_id __initdata of_bus_ids[] = {