[POWERPC] 85xx: Add basic support for Wind River SBC8548 board

This adds the basic support for the Wind River SBC8548 board, implemented
as powerpc.  It closely follows the implementation of the MPC8548CDS.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index 333779e..74779b9 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -83,6 +83,12 @@
 	select TQM85xx
 	select CPM2
 
+config SBC8548
+	bool "Wind River SBC8548"
+	select DEFAULT_UIMAGE
+	help
+	  This option enables support for the Wind River SBC8548 board
+
 config SBC8560
 	bool "Wind River SBC8560"
 	select DEFAULT_UIMAGE
@@ -100,7 +106,7 @@
 	bool
 	select PPC_UDBG_16550
 	select PPC_INDIRECT_PCI
-	default y if MPC8540_ADS || MPC85xx_CDS
+	default y if MPC8540_ADS || MPC85xx_CDS || SBC8548
 
 config MPC85xx
 	bool
@@ -110,4 +116,4 @@
 	select FSL_PCI if PCI
 	select SERIAL_8250_SHARE_IRQ if SERIAL_8250
 	default y if MPC8540_ADS || MPC85xx_CDS || MPC8560_ADS \
-		|| MPC85xx_MDS || MPC85xx_DS || STX_GP3 || SBC8560
+		|| MPC85xx_MDS || MPC85xx_DS || STX_GP3 || SBC8560 || SBC8548