powerpc: Add defines for RA 0-R31

R0 is special since it'll be 0.

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Michael Neuling 2012-06-25 13:33:24 +00:00 • committed by Benjamin Herrenschmidt
commit f4c015795c