angstrom-clearlooks-theme-enable: fix postinst

ERROR: QA Issue: /home/Superandy/data/oe-core/sources/meta-angstrom/recipes-tweaks/themes/angstrom-clearlooks-theme-enable.bb: Variable pkg_postinst is set as not being package specific, please fix this.

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>
angstrom-gnome-icon-theme-enable: fix postinst

ERROR: QA Issue: /home/Superandy/data/oe-core/sources/meta-angstrom/recipes-tweaks/themes/angstrom-gnome-icon-theme-enable.bb: Variable pkg_postinst is set as not being package specific, please fix this.

Signed-off-by: Andreas Müller <schnitzeltony@googlemail.com>