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/combo/HOST_darwin-x86.mk b/core/combo/HOST_darwin-x86.mk
index f277ea5..1a28af9 100644
--- a/core/combo/HOST_darwin-x86.mk
+++ b/core/combo/HOST_darwin-x86.mk
@@ -29,6 +29,8 @@
 HOST_CC := $(CC)
 HOST_CXX := $(CXX)
 HOST_AR := $(AR)
+HOST_STRIP := $(STRIP)
+HOST_STRIP_COMMAND = $(HOST_STRIP) --strip-debug $< -o $@
 
 HOST_SHLIB_SUFFIX := .dylib
 HOST_JNILIB_SUFFIX := .jnilib