ArmPkg/BdsLib: Rework TFTP boot

Rework the downloading of an image from a TFTP server to do not
depend on any "PXE specific" setting of the DHCP server.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ronald Cron <Ronald.Cron@arm.com>
Reviewed-by: Olivier Martin <olivier.martin@arm.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16516 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Library/BdsLib/BdsLib.inf

@@ -37,6 +37,7 @@
 
 [Packages]
   MdePkg/MdePkg.dec
+  MdeModulePkg/MdeModulePkg.dec
   EmbeddedPkg/EmbeddedPkg.dec
   ArmPkg/ArmPkg.dec
   ArmPlatformPkg/ArmPlatformPkg.dec
@@ -53,6 +54,7 @@
   SerialPortLib
   FdtLib
   TimerLib
+  NetLib
 
 [LibraryClasses.AARCH64]
   ArmGicLib
@@ -74,6 +76,10 @@
   gEfiUsbIoProtocolGuid
   gEfiLoadedImageProtocolGuid
   gEfiSimpleNetworkProtocolGuid
+  gEfiDhcp4ServiceBindingProtocolGuid
+  gEfiDhcp4ProtocolGuid
+  gEfiMtftp4ServiceBindingProtocolGuid
+  gEfiMtftp4ProtocolGuid
 
 [FeaturePcd]
   gArmTokenSpaceGuid.PcdArmLinuxSpinTable