multipath-tools: Add kernel-module as RRECOMMENDS

Service multipathd depends on kernel module dm_multipath,
so add it as RRECOMMENDS.

Signed-off-by: Zheng Ruoqin <zhengrq.fnst@fujitsu.com>
Signed-off-by: Khem Raj <khem.raj@oss.qualcomm.com>

meta-oe/recipes-support/multipath-tools/multipath-tools_0.12.2.bb

@@ -110,6 +110,7 @@ PACKAGES =+ "${PN}-libs"
 FILES:${PN}-libs = "${base_libdir}/lib*.so.* \
                     ${base_libdir}/multipath/lib*.so*"
 RDEPENDS:${PN} += "${PN}-libs bash libgcc"
+RRECOMMENDS:${PN} = "kernel-module-dm-multipath"
 
 PROVIDES += "device-mapper-multipath"
 RPROVIDES:${PN} += "device-mapper-multipath"