drivers:staging:rtl8821ae: Fixed few coding style erors and warnings

Fixed multiple coding style errors and warnings
wifi.h:1077: WARNING: please, no space before tabs
wifi.h:762: WARNING: missing space after struct definition
wifi.h:972: WARNING: please, no spaces at the start of a line
wifi.h:1825: WARNING: Unnecessary space after function pointer name
wifi.h:1826: ERROR: "foo * bar" should be "foo *bar"
wifi.h:1099: WARNING: missing space after return type
wifi.h:1320: ERROR: Macros with complex values should be enclosed in parenthesis
wifi.h:1758: WARNING: Multiple spaces after return type
wifi.h:1855: ERROR: code indent should use tabs where possible
wifi.h:2303: ERROR: space prohibited after that open parenthesis '('
wifi.h:2408: ERROR: spaces required around that '=' (ctx:VxV)
Signed-off-by: Surendra Patil <surendra.tux@gmail.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>