Staging: rtl8723bs: Remove typedef in struct dynamic_primary_CCA

Remove typedef in struct dynamic_primary_CCA, as a struct that has
elements that can reasonably be directly accessed should never be a
typedef.

Signed-off-by: Madhumitha Prabakaran <madhumithabiw@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>