devm_ioremap_resource() is only guaranteed to be present if
CONFIG_HAS_IOMEM is set.
Reported-by: Nkernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/YCyauGyqxut69JNz@google.comSigned-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>