staging: rtl8192e: clean up brace coding style issues

Clean up brace coding style in if/else statements to improve
readability and clear checkpatch issues.

CHECK: braces {} should be used on all arms of this statement
CHECK: Unbalanced braces around else statement

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/20230619150953.22484-2-straube.linux@gmail.com


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