OMAP3: Overo: Clean up pin mux and GPIO configuration

* Make Overo GPIO114 an input for touchscreen PENDOWN
* Make Overo GPIO144-147 readable
* Make Overo EHCI pinmux match beagle rev c setup
* Adjust pinmux for SMSC911X network chip support
* Remove unnecessary GPIO setup
* Fix merge error in Makefile

Signed-off-by: Steve Sakoman <sakoman@gmail.com>
Signed-off-by: Dirk Behme <dirk.behme@googlemail.com>
diff --git a/board/omap3/overo/Makefile b/board/omap3/overo/Makefile
index c165629..dd673ca 100644
--- a/board/omap3/overo/Makefile
+++ b/board/omap3/overo/Makefile
@@ -44,4 +44,5 @@
 # defines $(obj).depend target
 include $(SRCTREE)/rules.mk
 
+#########################################################################
 sinclude $(obj).depend