staging: r8188eu: remove constant parameter of odm_ConfigRFReg_8188E

The only caller of odm_ConfigRFReg_8188E sets RF_PATH to RF_PATH_A.
Remove this parameter and use RF_PATH_A inside the function.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
Link: https://lore.kernel.org/r/20220204090941.309900-4-martin@kaiser.cx


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>