configure: Add USE_* conditionals for hidapi and libjaylink

For consistency with other libs.

Change-Id: Id37329a00db5ab668f4c2c9ce53d2c41976649b1
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/3869
Tested-by: jenkins
Reviewed-by: Marc Schink <openocd-dev@marcschink.de>
Reviewed-by: Paul Fertser <fercerpav@gmail.com>

configure.ac

@@ -729,6 +729,8 @@ AM_CONDITIONAL([IS_WIN32], [test "x$is_win32" = "xyes"])
 AM_CONDITIONAL([IS_DARWIN], [test "x$is_darwin" = "xyes"])
 AM_CONDITIONAL([BITQ], [test "x$build_bitq" = "xyes"])
 AM_CONDITIONAL([USE_LIBFTDI], [test "x$use_libftdi" = "xyes"])
+AM_CONDITIONAL([USE_HIDAPI], [test "x$use_hidapi" = "xyes"])
+AM_CONDITIONAL([USE_LIBJAYLINK], [test "x$use_libjaylink" = "xyes"])
 
 AM_CONDITIONAL([MINIDRIVER], [test "x$build_minidriver" = "xyes"])
 AM_CONDITIONAL([MINIDRIVER_DUMMY], [test "x$build_minidriver_dummy" = "xyes"])