gmp: improve reproducibility

nativesdk-gmp package contains host references in output packages.
remove them.

(From OE-Core rev: 7b072b46bd0d0442066189ecf098b56e50ea77b1)

Signed-off-by: Oleh Matiusha <omatiush@cisco.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-support/gmp/gmp_6.3.0.bb

@@ -29,13 +29,21 @@ do_install:append() {
 	oe_multilib_header gmp.h
 }
 
-do_install:prepend:class-target() {
+fix_absolute_paths () {
         sed -i \
         -e "s|--sysroot=${STAGING_DIR_HOST}||g" \
         -e "s|${DEBUG_PREFIX_MAP}||g" \
          ${B}/gmp.h
 }
 
+do_install:prepend:class-target() {
+    fix_absolute_paths
+}
+
+do_install:prepend:class-nativesdk() {
+    fix_absolute_paths
+}
+
 SSTATE_SCAN_FILES += "gmp.h"
 
 # Doesn't compile in MIPS16e mode due to use of hand-written