mpeg: K&R formatting cosmetics

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
configure: Remove dcbzl check for e500v1 and e500v2 architectures

The DCBZL instruction is not available for the e500v1 and e500v2
architectures, but may still be recognized by the toolchain, so we
need to explicitly disable it for these architectures.

References: PowerPC™ e500 Core Family Reference Manual (Freescale)

Found-by: Ståle Kristoffersen <staalebk@ifi.uio.no>

Signed-off-by: Vittorio Giovara <vittorio.giovara@gmail.com>
Merge commit '5b8f0a5eac75d16376af60a6f6bb79b3e9e6dab7'

* commit '5b8f0a5eac75d16376af60a6f6bb79b3e9e6dab7':
  mpeg: K&R formatting cosmetics

Conflicts:
	libavformat/mpeg.c

Merged-by: Michael Niedermayer <michaelni@gmx.at>
Merge remote-tracking branch 'qatar/master'

* qatar/master:
  configure: Remove dcbzl check for e500v1 and e500v2 architectures

See: d5733936d857ce5c7d28c0bc9e89a2e2548f8895
Merged-by: Michael Niedermayer <michaelni@gmx.at>