build

Add SCARD_ATTR_USB_PATH #224

Job	Run time
build (--enable-strict --disable-libudev --disable-libusb)	1m 18s
build	1m 6s
build (--enable-strict --enable-debugatr)	1m 14s
build (--enable-strict --disable-libudev)	1m 22s
build (--enable-strict --enable-embedded)	1m 22s
build (--enable-strict)	1m 0s
	7m 22s

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