Add PCI support for Sorcery board.
Code cleanup (especially Sorcery / Alaska / Yukon serial driver).
diff --git a/cpu/mpc8220/dramSetup.c b/cpu/mpc8220/dramSetup.c
index 90a7183..1d0d384 100644
--- a/cpu/mpc8220/dramSetup.c
+++ b/cpu/mpc8220/dramSetup.c
@@ -543,12 +543,7 @@
 	}
 
 	/* Set up the Drive Strength register */
-	temp = ((DRIVE_STRENGTH_LOW << SDRAMDS_SBE_SHIFT)
-		| (DRIVE_STRENGTH_HIGH << SDRAMDS_SBC_SHIFT)
-		| (DRIVE_STRENGTH_LOW << SDRAMDS_SBA_SHIFT)
-		| (DRIVE_STRENGTH_OFF << SDRAMDS_SBS_SHIFT)
-		| (DRIVE_STRENGTH_LOW << SDRAMDS_SBD_SHIFT));
-	sysconf->sdramds = temp;
+	sysconf->sdramds = CFG_SDRAM_DRIVE_STRENGTH;
 
 	/* ********************** Cfg 1 ************************* */