staging: rtl8192e: Remove entry .init_adapter_.. from struct rtl819x_ops

Remove entry .init_adapter_variable and replace it with function name
rtl92e_init_variables. This increases readability of the code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/cc6134e1cf43a8b74615f9eb4377988e3edd0bca.1676840647.git.philipp.g.hortmann@gmail.com


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