Update lttng-ust PKGBUILD with the new VCS PKGBUILD guidelines

Also fix license typo and libtool file generation.

Signed-off-by: Christian Babeux <christian.babeux@0x80.ca>
Update lttng-tools PKGBUILD with the new VCS PKGBUILD guidelines

Also fix license typo and libtool file generation.

Signed-off-by: Christian Babeux <christian.babeux@0x80.ca>