staging: rtl8712: drop pointless static qualifier in r8712_efuse_pg_packet_write()

There is no need to have the 'intrepeat_times' variable static since new
value always be assigned before use it.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>