code clean up: remove trailing whitespaces
code clean up: remove empty lines at end of files
mor1kx_execute_alu: remove unneeded resets on divider and multiplier
mor1kx_execute_alu: fix comment on a_eq_b
mor1kx_pic: remove unneeded registering on spr_picsr in LEVEL mode
mor1kx_ctrl_cappuccino: simplify, optimize and clean up