crypto: qat - fix bar discovery for c62x

Some accelerators of the c62x series have only two bars.
This patch skips BAR0 if the accelerator does not have it.

Cc: <stable@vger.kernel.org>
Signed-off-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

path: root/tools/perf/tests/attr/test-stat-group

[config]
command = stat
args    = --group -e cycles,instructions kill >/dev/null 2>&1
ret     = 1

[event-1:base-stat]
fd=1
group_fd=-1

[event-2:base-stat]
fd=2
group_fd=1
config=1
disabled=0
enable_on_exec=0