staging: r8188eu: convert DBG_88E_LEVEL call in hal/rtl8188e_hal_init.c

Convert DBG_88E_LEVEL macro call in hal/rtl8188e_hal_init.c to plain
dev_dbg call, as although the information is potentially useful, we should
be exposing it using standard kernel debugging functionality.

Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20211129002041.865-6-phil@philpotter.co.uk


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