NetworkPkg/TlsAuthConfigDxe: Use HiiPopUp() instead of CreatePopUp()

NetworkPkg/TlsAuthConfigDxe: Use HiiPopUp() instead of CreatePopUp()

REF:https://bugzilla.tianocore.org/show_bug.cgi?id=2635

According to EDK2 Driver Writer's Guide For UEFI 2.3.1, 4.2.18 Offer
alternatives to function keys. Configuration of drivers should be
accomplished via HII and via OS-present interfaces.

Cc: Jiaxin Wu <jiaxin.wu@intel.com>
Cc: Siyuan Fu <siyuan.fu@intel.com>
Signed-off-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>
Reviewed-by: Siyuan Fu <siyuan.fu@intel.com>
Reviewed-by: Maciej Rabeda <maciej.rabeda@linux.intel.com>