powerpc: Enable support for ibm,drc-info devtree property

To: linuxppc-dev@lists.ozlabs.org

From: Michael Bringmann <mwb@linux.vnet.ibm.com>

Cc: Michael Bringmann <mwb@linux.vnet.ibm.com>
Cc: nfont@linux.vnet.ibm.com
Subject: [PATCH V6 4/4] powerpc: Enable support for ibm,drc-info devtree property

prom_init.c: Enable support for new DRC device tree property
"ibm,drc-info" in initial handshake between the Linux kernel and
the front end processor.

Signed-off-by: Michael Bringmann <mwb@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>