Add WIND_STAGGER to MOM_INPUT for clarity

This only affects the logging, the actual value is hardcoded through a #ifdef CESMCOUPLED

Author: anton-seaice

MOM_input

@@ -599,6 +599,9 @@ LATENT_HEAT_VAPORIZATION = 2.501E+06 !   [J/kg] default = 2.5E+06
 ADJUST_NET_FRESH_WATER_TO_ZERO = True !   [Boolean] default = False
                                 ! If true, adjusts the net fresh-water forcing seen by the ocean (including
                                 ! restoring) to zero.
+WIND_STAGGER = "A"              ! default = "C"
+                                ! A case-insensitive character string to indicate the staggering of the input
+                                ! wind stress field.  Valid values are 'A', 'B', or 'C'.
 ENTHALPY_FROM_COUPLER = True    !   [Boolean] default = False
                                 ! If True, the heat (enthalpy) associated with mass entering/leaving the ocean
                                 ! is provided via coupler.