lwip: Add support for A53 in the tcl

Add support for A53 processor in the tcl.

Signed-off-by: Harini Katakam <harinik@xilinx.com>
Acked-by: Anirudha   Sarangi <anirudh@xilinx.com>

ThirdParty/sw_services/lwip141/data/lwip141.tcl

@@ -1120,6 +1120,11 @@ proc generate_adapterconfig_makefile {libhandle} {
 		#puts "Little Endian system"
 		puts $fd "CONFIG_PROCESSOR_LITTLE_ENDIAN=y"
             }
+            "psu_cortexa53" {
+		puts $fd "GCC_COMPILER=aarch64-none-elf-gcc"
+		#puts "Little Endian system"
+		puts $fd "CONFIG_PROCESSOR_LITTLE_ENDIAN=y"
+            }
             default {
                 puts "unknown processor type $proctype\n"
             }