lib/bb/ui/crumbs: add icons for use in the layer dialogue

(From Poky rev: 5e5b488952ef2a0dd886fd67993411760855fcee)

(Bitbake rev: e68c37cee0c9fb1b88479888656eae43bfd144d7)

Signed-off-by: Joshua Lock <josh@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

bitbake/lib/bb/ui/crumbs/hobwidget.py

@@ -53,6 +53,8 @@ class hic:
     ICON_INFO_HOVER_FILE          = os.path.join(HOB_ICON_BASE_DIR, ('info/info_hover.png'))
     ICON_INDI_CONFIRM_FILE        = os.path.join(HOB_ICON_BASE_DIR, ('indicators/confirmation.png'))
     ICON_INDI_ERROR_FILE          = os.path.join(HOB_ICON_BASE_DIR, ('indicators/error.png'))
+    ICON_INDI_REMOVE              = os.path.join(HOB_ICON_BASE_DIR, ('indicators/remove.png'))
+    ICON_INDI_ADD                 = os.path.join(HOB_ICON_BASE_DIR, ('indicators/add.png'))
 
 class hcc: