dbus-cxx: Amend dbus build time dependency

The build time dependency seems to be particular to the 'tools'
PACKAGECONFIG option, so update the recipe in this respect to
reflect the state of affairs more accurately.

Signed-off-by: Niko Mauno <niko.mauno@vaisala.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-core/dbus-cxx/dbus-cxx_2.5.2.bb

@@ -8,10 +8,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=24594f493407a4cd401ce9794e0b9308"
 SRC_URI = "git://github.com/dbus-cxx/dbus-cxx.git;branch=master;protocol=https"
 SRCREV = "f2637e726207ecfbdaaf02744e1b36e54f929c9d"
 
-DEPENDS = "\
-	dbus \
-	libsigc++-3 \
-"
+DEPENDS = "libsigc++-3"
 
 RDEPENDS:${PN} = "\
 	dbus \
@@ -29,7 +26,7 @@ PACKAGECONFIG ??= ""
 PACKAGECONFIG:class-native ?= "tools"
 PACKAGECONFIG:class-nativesdk ?= "tools"
 
-PACKAGECONFIG[tools] = "-DENABLE_TOOLS=ON,-DENABLE_TOOLS=OFF,popt cppgenerate"
+PACKAGECONFIG[tools] = "-DENABLE_TOOLS=ON,-DENABLE_TOOLS=OFF,popt cppgenerate dbus"
 PACKAGECONFIG[glib] = "-DENABLE_GLIB_SUPPORT=ON,-DENABLE_GLIB_SUPPORT=OFF,glib-2.0"
 PACKAGECONFIG[uv] = "-DENABLE_UV_SUPPORT=ON,-DENABLE_UV_SUPPORT=OFF,libuv"