target/ppc: Deindent ppc_jumbo_xlate()

Instead of putting a large block of code in an if, invert the
condition and return early to be able to deindent the code block.

Acked-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
1 file changed