Add the missing underscore in IP version macro to avoid compilation issue.
The macro is used for IP version comparison in the current patchset.

Fixes: 2cc8d922 ("spi: dw: Introduce Synopsys IP-core versions interface")
Signed-off-by: Nandhini Srikandan <nandhini.srikandan@intel.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Link: https://lore.kernel.org/r/20220713042223.1458-2-nandhini.srikandan@intel.comSigned-off-by: Mark Brown <broonie@kernel.org>