xilinx: Remove duplicate PMIO_NODE_ID_BASE macro

PMIO_NODE_ID_BASE is defined twice that's why remove one instance.

Fixes: 248fe9f3 ("spi: cadence_qspi: Enable apb linear mode for apb read & write operations")
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/ce9a601bb99418aa20272d046c74678829d942cc.1657191974.git.michal.simek@amd.com