${exec_prefix_nativesdk} doesn't exist so use prefix_nativesdk instead.
This resolves issues for code which attepts to use target_exec_prefix.
(From OE-Core rev:
cd1ac8257ed2701cbe3802870183e8e1cd3b0418)
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
target_includedir = "${SDKPATHNATIVE}${includedir_nativesdk}"
target_base_libdir = "${SDKPATHNATIVE}${base_libdir_nativesdk}"
target_prefix = "${SDKPATHNATIVE}${prefix_nativesdk}"
-target_exec_prefix = "${SDKPATHNATIVE}${exec_prefix_nativesdk}"
+target_exec_prefix = "${SDKPATHNATIVE}${prefix_nativesdk}"
baselib = "lib"
do_populate_sysroot[stamp-extra-info] = ""