efi_selftest: add test for IPv4 Config2 protocol

Add a test for the EFI_IP4_CONFIG2_PROTOCOL. The test sets the ip
policy to static, adds an ip address, and then reads the current
ip address and checks for it to be the same as the one that was set.

Signed-off-by: Adriano Cordova <adrianox@gmail.com>
2 files changed