sbc8349: tidy up Makefile to use new configuration script.

Commit 804d83a5 allows us to move all the configuration
variation tweaks out of the top level Makefile and down
into the board config header.  This takes advantage of
that for the sbc8349 board.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/Makefile b/Makefile
index 9c5b2a5..8ab864d 100644
--- a/Makefile
+++ b/Makefile
@@ -2403,20 +2403,7 @@
 sbc8349_config \
 sbc8349_PCI_33_config \
 sbc8349_PCI_66_config: unconfig
-	@mkdir -p $(obj)include
-	@if [ "$(findstring _PCI_,$@)" ] ; then \
-		$(XECHO) -n "... PCI HOST at " ; \
-		echo "#define CONFIG_PCI" >>$(obj)include/config.h ; \
-	fi ; \
-	if [ "$(findstring _33_,$@)" ] ; then \
-		$(XECHO) -n "33MHz... " ; \
-		echo "#define PCI_33M" >>$(obj)include/config.h ; \
-	fi ; \
-	if [ "$(findstring _66_,$@)" ] ; then \
-		$(XECHO) -n "66MHz... " ; \
-		echo "#define PCI_66M" >>$(obj)include/config.h ; \
-	fi ;
-	@$(MKCONFIG) -a sbc8349 ppc mpc83xx sbc8349
+	@$(MKCONFIG) -t $(@:_config=) sbc8349 ppc mpc83xx sbc8349
 
 SIMPC8313_LP_config \
 SIMPC8313_SP_config: unconfig