staging: rtl8192e: add blank lines after declarations

Add blank lines after declarations to adhere to the Linux kernel
coding-style guidelines. These issues are reported by checkpatch.pl

"CHECK: Please use a blank line after function/struct/union/enum
declarations"

Signed-off-by: Khadija Kamran <kamrankhadijadj@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/d8a5e738046ffdc1b257e1935eacb8e16af34d5e.1679696777.git.kamrankhadijadj@gmail.com


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