* MIPS: fixed parameter handling for big-endian targets, and removed a lot of garbage.
* Parameters passed in registers are no longer forced to stack, therefore assembler routines using 'lw' instruction to load such parameters must have it changed to 'move' (tb0072.pp).

git-svn-id: http://svn.freepascal.org/svn/fpc/trunk@23627 3ad0048d-3df7-0310-abae-a5850022a9f2