ArmPkg/BdsLib: Use two distinct functions to boot Linux either by Atag or Fdt

Separate the BdsBootLinux() function into two functions for Atag and Fdt specific Linux booting
- BdsBootLinuxAtag ()
- BdsBootLinuxFdt ()



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12408 6f19259b-4bc3-4df7-8a09-765794883524

ArmPkg/Include/Library/BdsLib.h

@@ -96,6 +96,24 @@ BootOptionAllocateBootIndex (
   VOID
   );
 
+/**
+  Start a Linux kernel from a Device Path
+
+  @param  LinuxKernel           Device Path to the Linux Kernel
+  @param  Parameters            Linux kernel arguments
+
+  @retval EFI_SUCCESS           All drivers have been connected
+  @retval EFI_NOT_FOUND         The Linux kernel Device Path has not been found
+  @retval EFI_OUT_OF_RESOURCES  There is not enough resource memory to store the matching results.
+
+**/
+EFI_STATUS
+BdsBootLinuxAtag (
+  IN  EFI_DEVICE_PATH_PROTOCOL* LinuxKernelDevicePath,
+  IN  EFI_DEVICE_PATH_PROTOCOL* InitrdDevicePath,
+  IN  CONST CHAR8*              Arguments
+  );
+
 /**
   Start a Linux kernel from a Device Path
 
@@ -109,7 +127,7 @@ BootOptionAllocateBootIndex (
 
 **/
 EFI_STATUS
-BdsBootLinux (
+BdsBootLinuxFdt (
   IN  EFI_DEVICE_PATH_PROTOCOL* LinuxKernelDevicePath,
   IN  EFI_DEVICE_PATH_PROTOCOL* InitrdDevicePath,
   IN  CONST CHAR8*              Arguments,