staging: rtl8723bs: wifi_regd.c: fix checkpatch.pl warning 'Statements should start on a tabstop'

This patch fixes the checkpatch.pl warning 'Statements should start on
a tabstop' by reformatting the affected lines.

Signed-off-by: Fabian Wolff <fabian.wolff@fau.de>
Signed-off-by: Mate Horvath <horvatmate@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>