boost: fix reproducibilty issues

fix cmake file references of image dir path

(From OE-Core rev: e12caa834bef6b5d0cad7e96f79374a0dbf86aea)

Signed-off-by: Jeremy A. Puhlman <jpuhlman@mvista.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/boost/boost.inc

@@ -202,6 +202,11 @@ do_install() {
 		fi
 	done
 
+        # Cmake files reference full paths to image
+        find ${D}${libdir}/cmake -type f | \
+             grep 'cmake$' | \
+             xargs -n 1 sed -e 's,${D}${libdir}/cmake,${libdir}/cmake,' -i
+
 }
 
 BBCLASSEXTEND = "native nativesdk"