test: efi_loader: Fix dependency for http test

test: efi_loader: Fix dependency for http test

The config setting CMD_BOOTEFI_HELLO_COMPILE was removed in favour
of BOOTEFI_HELLO_COMPILE but the dependency for
test_efi_helloworld_net_http was not updated and so is now incorrect
preventing the test from ever running. Fix it.

Fixes: 6fe80876dcc7 ("efi_loader: Rename and move CMD_BOOTEFI_HELLO_COMPILE")
Signed-off-by: Andrew Goodbody <andrew.goodbody@linaro.org>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>