Revert "staging: r8188eu: Fix different base types in assignments and parameters"

This reverts commit 56febcc2.

It's not correct and instead of fixing it up, let's just revert it for
now.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Fabio M. De Francesco <fmdefrancesco@gmail.com>
Link: https://lore.kernel.org/r/20210802203020.9679-1-fmdefrancesco@gmail.com


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