vala: install vapigen-wrapper into /usr/bin/crosscripts and stage only that

Staging the whole /usr/bin is not correct, as it pulls in also
all the vala's cross binaries, which may be discovered by other recipes
and things will go wrong then.

(From OE-Core rev: 0de07deebc3b8d39b47e7130b8e096e74c8ef767)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 52629d9db0344146ff4734632b17bd731e247fd5)
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/vala/vala.inc

@@ -42,20 +42,20 @@ EXTRA_OECONF += " --disable-valadoc"
 # Vapigen wrapper needs to be available system-wide, because it will be used
 # to build vapi files from all other packages with vala support
 do_install:append:class-target() {
-        install -d ${D}${bindir}/
-        install ${B}/vapigen-wrapper ${D}${bindir}/
+        install -d ${D}${bindir_crossscripts}/
+        install ${B}/vapigen-wrapper ${D}${bindir_crossscripts}/
 }
 
 # Put vapigen wrapper into target sysroot so that it can be used when building
 # vapi files.
-SYSROOT_DIRS:append:class-target = " ${bindir}"
+SYSROOT_DIRS += "${bindir_crossscripts}"
 
 SYSROOT_PREPROCESS_FUNCS:append:class-target = " vapigen_sysroot_preprocess"
 vapigen_sysroot_preprocess() {
         # Tweak the vapigen name in the vapigen pkgconfig file, so that it picks
         # up our wrapper.
         sed -i \
-           -e "s|vapigen=.*|vapigen=${bindir}/vapigen-wrapper|" \
+           -e "s|vapigen=.*|vapigen=${bindir_crossscripts}/vapigen-wrapper|" \
            ${SYSROOT_DESTDIR}${libdir}/pkgconfig/vapigen-${SHRT_VER}.pc
 }
 
@@ -64,5 +64,5 @@ SSTATE_SCAN_FILES += "vapigen-wrapper"
 PACKAGE_PREPROCESS_FUNCS += "vala_package_preprocess"
 
 vala_package_preprocess () {
-	sed -i -e 's:${RECIPE_SYSROOT}::g;' ${PKGD}${bindir}/vapigen-wrapper
+	sed -i -e 's:${RECIPE_SYSROOT}::g;' ${PKGD}${bindir_crossscripts}/vapigen-wrapper
 }