powerpc/rtas: unexport 'rtas' symbol

No modular code needs access to the 'rtas' struct, so remove the
symbol export.

Suggested-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Nathan Lynch <nathanl@linux.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230124140448.45938-2-nathanl@linux.ibm.com
This commit is contained in:
Nathan Lynch 2023-01-24 08:04:45 -06:00 • committed by Michael Ellerman
commit 5ff92e2f27