package/pkg-meson.mk: set correct pkgconfig for native dependencies

This sets the correct build.pkg_config_path for all meson packages so
that dependencies with native: true will properly use the the host
pkgconfig instead of the target pkgconfig.

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/pkg-meson.mk

@@ -87,6 +87,7 @@ define $(2)_CONFIGURE_CMDS
 		--default-library=$(if $(BR2_STATIC_LIBS),static,shared) \
 		--buildtype=$(if $(BR2_ENABLE_DEBUG),debug,release) \
 		--cross-file=$$($$(PKG)_SRCDIR)/build/cross-compilation.conf \
+		-Dbuild.pkg_config_path=$$(HOST_DIR)/lib/pkgconfig \
 		$$($$(PKG)_CONF_OPTS) \
 		$$($$(PKG)_SRCDIR) $$($$(PKG)_SRCDIR)/build
 endef