powerpc: unrel_branch_check.sh: simplify and combine some executions

Also some minor style changes.

There should still be no change in behaviour.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20200811140435.20957-3-sfr@canb.auug.org.au
This commit is contained in:
Stephen Rothwell 2020-08-12 00:04:29 +10:00 • committed by Michael Ellerman
commit 20ff8ec182