devres: Export devm_ioremap_resource_wc()

devm_ioremap_resource_wc() is not exported, so add one.

Link: https://lore.kernel.org/r/20250423-dt-memory-region-v2-v2-3-2fbd6ebd3c88@kernel.org


Acked-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>