powerpc/85xx: Add the workaround for erratum ELBC-A001 (enable on P4080)

Simultaneous FCM and GPCM or UPM operation may erroneously trigger bus
monitor timeout.  Set timeout to maximum to avoid.

Based on a patch from Lan Chunhe <b25806@freescale.com>

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
4 files changed