Refactor Stripper. Allow a stripper other than SOSLIM to be specified

Change-Id: I61137f5bb123dc5f610af9928ed3debdf85ba74d
Signed-off-by: Bruce Beare <brucex.j.beare@intel.com>
diff --git a/core/Makefile b/core/Makefile
index a2b9391..8303592 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -742,7 +742,7 @@
 #######
 ## boot tarball
 define build-boottarball-target
-    $(hide) echo "Target boot fs tarball: $(INSTALLED_BOOTTARBALL_TARGET)
+    $(hide) echo "Target boot fs tarball: $(INSTALLED_BOOTTARBALL_TARGET)"
     $(hide) mkdir -p $(PRODUCT_OUT)/boot
     $(hide) cp -f $(INTERNAL_BOOTIMAGE_FILES) $(PRODUCT_OUT)/boot/.
     $(hide) echo $(BOARD_KERNEL_CMDLINE) > $(PRODUCT_OUT)/boot/cmdline