araisrobo/css: connect JOINT_5 to Spindle
wou_stepgen.c: update debug message for risc_probe
usb_homing.c: BUGFIX to INDEX-HOMING
tp.c: BUGFIX to G33.2 (ABSOLUTE SPINDLE POSITIONING)
BUGFIX to G33.2, SPINDLE-POSITIONING
Add velocity feedback signal to sim_spindle.comp
tp.c: BUGFIX to Seamless Blending (SMLBLND)

* SMLBLND is for XYZ motion only; can not be used to blend
  XYZ with ABC/UVW motions.
control.c: enable CSS_TRACE dump for verification
export tc->motion_type as motion.motion-type
WIP: Revise blender.comp
WOU: use ALR_EN_BITS for bitmap of ALARM GPIO signals
wou_stepgen.c: BUGFIX to ALR_EN_BITS implementation
* Add ALR_ID settings to css.ini
* Remove TRAJ_PERIOD from css.ini
* Slow down thread frequency of ClassicLadder at css_cl.hal
Debug: G33 motion form right to left