staging: rtl8723bs: replace ternary operator with if-else block

replace the ternary operator used for assignment of pHalData->ant_path
with an if-else block for better readability

Signed-off-by: Atin Bainada <hi@atinb.me>
Link: https://lore.kernel.org/r/20230513214338.79833-1-hi@atinb.me


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