accel-ppp: resolve QA warnings and satisfy multilib

Create -libs and -dbg splits to include .so and .debug
files, respectively to resolve the QA warning:
lib64-accel-ppp rdepends on lib64-accel-ppp-dev when
multilib is being used.

Signed-off-by: Aws Ismail <aws.ismail@windriver.com>
Signed-off-by: Joe MacDonald <joe.macdonald@windriver.com>