PFR build error fix

PFR build is failing due to unavailability of checkIPMBChannel()
function. This wasn't exposed earlier due to PFR compile flag.
Moved checkIPMBChannel() function to top.

Tested:
PFR build successful

Change-Id: I02a353e2b059a6e62b350c5872c23ec489f5696d
Signed-off-by: AppaRao Puli <apparao.puli@linux.intel.com>
1 file changed