Don't set up styli for devices without a stylus #1183

Job	Run time
valgrind	32s
build-and-dist (gcc)	50s
build-and-dist (gcc, -Db_sanitize=address,undefined -Db_lundef=false)	33s
build-and-dist (clang)	48s
build-and-dist (clang, -Db_sanitize=address,undefined -Db_lundef=false)	42s
duplicate-devices	52s
build-from-tarball	32s
clean-svg-check	33s
etcdir (sudo mv /usr/share/libwacom/wacom-intuos*.tablet /etc/libwacom)	30s
etcdir (sudo mv /usr/share/libwacom/*.tablet /etc/libwacom)	1m 21s
etcdir (sudo mv /usr/share/libwacom/*.stylus /etc/libwacom)	32s
etcdir (sudo mv /usr/share/libwacom/*.tablet $HOME/.config/libwacom)	25s
etcdir (sudo mv /usr/share/libwacom/*.stylus $HOME/.config/libwacom)	28s
etcdir (sudo mv /usr/share/libwacom/wacom-*.tablet $HOME/.config/libwacom && sudo mv /usr/share/l...	54s
etcdir (sudo csplit data/wacom.stylus '/^\[0x822\]/' && sudo mv xx00 /etc/libwacom/first.stylus &...	31s
	10m 3s

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