powerpc: Add new macro to handle NESTED_IFCLR

This will be used by the following patches

Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201127044424.40686-2-aneesh.kumar@linux.ibm.com
This commit is contained in:
Aneesh Kumar K.V 2020-11-27 10:14:03 +05:30 • committed by Michael Ellerman
commit c3d35ddd1e