meson: Expose libchannellayer and libuserlayer

Since other repos need to depend on channellayer and userlayer (for
example: phosphor-net-ipmi, and plan to switch to meson), it is
necessary to expose libchannellayer and libuserlayer for other repos
to depend on.

Signed-off-by: George Liu <liuxiwei@inspur.com>
Change-Id: I6af6064be71f5a7390940b929d20f4c9e138f60a
1 file changed