Although the reg profile was not really used yet it will be relevant for the RZIL uplifting.
Introduces:
* Double/quadruple registers now properly overlap with their counterparts.
* Registers have correct types assigned (vec, ctr, sys etc. Before, all regs were of type gbr)
* Consistent register names (asm name style: c3:2, r31 etc, alias style: lc1:sa1, lr etc.)
* Adds _tmp registers in the profile. Later used by uplifted instructions (think of .new registers).
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