serial: pch_uart: Update error message for dmaengine_prep_slave_sg() API
serial: pch_uart: Update error message for dmaengine_prep_slave_sg() API

Commit 16052827d98fbc13c31ebad560af4bd53e2b4dd5 ("dmaengine/dma_slave:
introduce inline wrappers") changed the code to use the new API, but forgot
to update an error message.

Signed-off-by: Geert Uytterhoeven <a1ff81395f7e6bf5b509fe9aab06bf3419493e1d@glider.be>
Cc: Jiri Kosina <f2fc8123700c95880a53d4a1576282f2ca68c4b0@kernel.org>
Cc: f97bd3735ebb06ec9fde555afdf685a9966cf521@vger.kernel.org
--
v2:
  - New
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs