staging: rtl8192e: Remove entry .irq_enable from struct rtl819x_ops

Remove entry .irq_enable and replace it with function name
rtl92e_enable_irq. This increases readability of the code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/c23a034632e06b0d9dcb98bd2311010561b6645e.1676840647.git.philipp.g.hortmann@gmail.com


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