Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild

Pull kbuild updates from Michal Marek:
 "Here are the kbuild changes for v3.19-rc1:

   - Cleanups and deduplication in the main Makefile and
     scripts/Makefile.*
   - Sort the output of *config targets in make help
   - Old <linux/version.h> is always removed to avoid a surprise during
     bisecting
   - Warning fix in kconfig"

* 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild:
  kbuild: remove redundant -rR flag of hdr-inst
  kbuild: Fix make help-<board series> on powerpc
  kbuild: Automatically remove stale <linux/version.h> file
  kconfig: Fix warning "‘jump’ may be used uninitialized"
  Makefile: sort list of defconfig targets in make help output
  kbuild: Remove duplicate $(cmd) definition in Makefile.clean
  kbuild: collect shorthands into scripts/Kbuild.include

diff --cc Makefile
Simple merge

diff --cc scripts/Kbuild.include
index 5374b1b,353dcf0..edd2794
--- 1/scripts/Kbuild.include
--- 2/scripts/Kbuild.include
+++ b/scripts/Kbuild.include
@@@ -180,11 -180,17 +180,23 @@@ build := -f $(srctree)/scripts/Makefile
  modbuiltin := -f $(srctree)/scripts/Makefile.modbuiltin obj
  
  ###
 +# Shorthand for $(Q)$(MAKE) -f scripts/Makefile.dtbinst obj=
 +# Usage:
 +# $(Q)$(MAKE) $(dtbinst)=dir
 +dtbinst := -f $(if $(KBUILD_SRC),$(srctree)/)scripts/Makefile.dtbinst obj
 +
++###
+ # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.clean obj=
+ # Usage:
+ # $(Q)$(MAKE) $(clean)=dir
+ clean := -f $(srctree)/scripts/Makefile.clean obj
+ 
+ ###
+ # Shorthand for $(Q)$(MAKE) -f scripts/Makefile.headersinst obj=
+ # Usage:
+ # $(Q)$(MAKE) $(hdr-inst)=dir
+ hdr-inst := -f $(srctree)/scripts/Makefile.headersinst obj
+ 
  # Prefix -I with $(srctree) if it is not an absolute path.
  # skip if -I has no parameter
  addtree = $(if $(patsubst -I%,%,$(1)), \