libhybris: use OE's version of wayland-scanner

recipes-core/libhybris/libhybris_git.bbappend

@@ -3,3 +3,8 @@ DEPENDS += " wayland "
 EXTRA_OECONF += " --enable-wayland --with-default-egl-platform=wayland"
 COMPATIBLE_MACHINE_dory = "(^dory$)"
 COMPATIBLE_MACHINE_bass = "(^bass$)"
+
+do_configure_append() {
+     # Use the OE's wayland-scanner (it is in PATH before the host's version)
+     sed -i "s@\$(WAYLAND_SCANNER)@wayland-scanner@" ${S}/egl/platforms/common/Makefile.am
+}