security: Enable '-fpie -pie' options

To be sure acrn debug tools are position independent
and executable.

Tracked-On: #1122
Signed-off-by: wenshelx <wenshengx.wang@intel.com>
Acked-by: CHEN Gang <gang.c.chen@intel.com>
Acked-by: Geoffroy Van Cutsem <geoffroy.vancutsem@intel.com>

tools/acrn-crashlog/Makefile

@@ -14,6 +14,8 @@ CFLAGS	+= -m64 -D_GNU_SOURCE
 ifeq ($(RELEASE),0)
 CFLAGS	+= -DDEBUG_ACRN_CRASHLOG
 endif
+CFLAGS += -fpie
+LDFLAGS += -pie
 INCLUDE := -I $(BASEDIR)/common/include
 export INCLUDE
 export BUILDDIR
@@ -43,6 +45,7 @@ ifeq ($(strip $(LIB_EXIST)),ltelemetry)
         EXTRA_LIBS += -ltelemetry
 endif
 export CFLAGS
+export LDFLAGS
 export EXTRA_LIBS
 
 .PHONY:all