staging: rtl8723bs: clean up line spacing

Add or remove lines to fix coding style issues and clear checkpatch.

WARNING: Missing a blank line after declarations
CHECK: Please use a blank line after function/struct/union/enum declarations
CHECK: Please don't use multiple blank lines

Signed-off-by: Ross Schmidt <ross.schm.dev@gmail.com>
Link: https://lore.kernel.org/r/20201110041008.15847-1-ross.schm.dev@gmail.com


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