staging: rtl8723bs: Trivial typo fix

s/netowrk/network/

..and an extra space has removed from the sentence.

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Link: https://lore.kernel.org/r/20210323092300.1740913-1-unixbhaskar@gmail.com


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