linux-phytec-ti

Documentation: powerpc: Expand the DAWR acronym

Those not of us not drowning in POWER might not know what this means.

Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>