Bump buildroot to version 2018.02.8

bsp/buildroot/support/scripts/graph-depends

@@ -183,9 +183,10 @@ def get_all_depends(pkgs):
 
 
 # The Graphviz "dot" utility doesn't like dashes in node names. So for
-# node names, we strip all dashes.
+# node names, we strip all dashes. Also, nodes can't start with a number,
+# so we prepend an underscore.
 def pkg_node_name(pkg):
-    return pkg.replace("-", "")
+    return "_" + pkg.replace("-", "")
 
 
 TARGET_EXCEPTIONS = [

bsp/buildroot/support/scripts/mkmakefile

@@ -20,6 +20,13 @@ echo "  GEN     $2/Makefile"
 cat << EOF > $2/Makefile
 # Automatically generated by $0: don't edit
 
+ifeq ("\$(origin V)", "command line")
+VERBOSE := \$(V)
+endif
+ifneq (\$(VERBOSE),1)
+Q := @
+endif
+
 lastword = \$(word \$(words \$(1)),\$(1))
 makedir := \$(dir \$(call lastword,\$(MAKEFILE_LIST)))
 
@@ -33,7 +40,7 @@ MAKEFLAGS += --no-print-directory
 all	:= \$(filter-out Makefile,\$(MAKECMDGOALS))
 
 _all:
-	umask 0022 && \$(MAKE) \$(MAKEARGS) \$(all)
+	\$(Q)umask 0022 && \$(MAKE) \$(MAKEARGS) \$(all)
 
 Makefile:;