For make icongraphy consistently to change the original gtk-icon to hob-icon
[YOCTO #2108]
(Bitbake rev: 8c3401bc11c6f3708b8ee9c0175f389399fdff5a)
Signed-off-by: Liming An <limingx.l.an@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>