xorg-minimal-fonts: depend on font-alias instead of shipping fonts.alias

xorg-minimal-fonts: depend on font-alias instead of shipping fonts.alias

| Collected errors:
|  * check_data_file_clashes: Package font-alias wants to install file /home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/genericarmv8-oe-linux/core-image-lsb-dev/1.0-r0/rootfs/usr/share/fonts/X11/misc/fonts.alias
|       But that file is already provided by package  * xorg-minimal-fonts
|  * opkg_install_cmd: Cannot install package packagegroup-core-lsb-dev.
| ERROR: Function failed: do_rootfs (see /home/hrw/HDD/devel/canonical/aarch64/openembedded/build/tmp-eglibc/work/genericarmv8-oe-linux/core-image-lsb-dev/1.0-r0/temp/log.do_rootfs.7564 for further information)

(From OE-Core rev: e3d5cb2033245ecb6e25f90d9d71296a018c4342)

Signed-off-by: Marcin Juszkiewicz <marcin.juszkiewicz@linaro.org>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>