net: dhcpv4: fix incorrect RFC2131 section reference to 4.4.1

Corrected the RFC2131 section reference in DHCPv4 comments and help text.
The random delay before sending the initial DHCPDISCOVER message is
defined in Section 4.4.1 of RFC2131, not in 4.1.1 as previously stated.

Signed-off-by: Ofir Shemesh <ofirshemesh777@gmail.com>
3 files changed