configure: Move GNU_DIR setting for linux-xscale_be

All site-specific values should be set in CONFIG_SITE files.

configure/os/CONFIG.Common.linux-xscale_be

@@ -5,7 +5,8 @@
 # Definitions for linux-xscale_be (big-endian) target builds.
 # This target has been tested with the MOXA UC-7408-LX Plus.
 
-# Sites may override these definitions in CONFIG_SITE.Common.linux-xscale_be
+# Site-specific overrides of these definitions should be made in the file
+#   CONFIG_SITE.Common.linux-xscale_be
 #-------------------------------------------------------
 
 # Include definitions common to all Linux targets
@@ -13,11 +14,6 @@ include $(CONFIG)/os/CONFIG.Common.linuxCommon
 
 ARCH_CLASS = xscale
 
-#
-# The vendor's tool chain needs to be located here
-#
-GNU_DIR=/usr/local/xscale_be
-
 ifeq ($(BUILD_CLASS),CROSS)
     VALID_BUILDS = Ioc
     GNU_TARGET = xscale_be

configure/os/CONFIG_SITE.Common.linux-xscale_be

+# CONFIG_SITE.Common.linux-xscale_be
+#
+# Site specific definitions for linux-xscale_be target builds.
+#-------------------------------------------------------
+
+# Set GNU_DIR to point to directory containing the tool-chain
+
+GNU_DIR = /usr/local/xscale_be
+