[POWERPC] Implement 'make bootwrapper_install'

This adds a 'bootwrapper_install' make target for the powerpc
architecture, which installs the wrapper script, intermediate object
files and device-tree sources for later use.

This will then allow bootable zImages to be created other than in the
context of a kernel build.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 3 insertions, 0 deletions

diff --git a/arch/powerpc/Makefile b/arch/powerpc/Makefile
index bd87626c1f60..f70df9b64f8f 100644
--- a/arch/powerpc/Makefile
+++ b/arch/powerpc/Makefile
@@ -167,6 +167,9 @@ boot := arch/$(ARCH)/boot
 $(BOOT_TARGETS): vmlinux
         $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
 
+bootwrapper_install:
+        $(Q)$(MAKE) ARCH=ppc64 $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
+
 define archhelp
   @echo '* zImage          - Compressed kernel image (arch/$(ARCH)/boot/zImage.*)'
   @echo '  install         - Install kernel using'