py/py.cmake: Add nlraarch64.

- Required for aarch64 zephyr port targets to build.
- Tested with PocketBeagle 2 [0] A53 cores.

[0]: https://docs.zephyrproject.org/latest/boards/beagle/pocketbeagle_2/doc/index.html

Signed-off-by: Ayush Singh <ayush@beagleboard.org>

Author: Ayush1325

py/py.cmake

@@ -58,6 +58,7 @@ set(MICROPY_SOURCE_PY
     ${MICROPY_PY_DIR}/mpz.c
     ${MICROPY_PY_DIR}/nativeglue.c
     ${MICROPY_PY_DIR}/nlr.c
+    ${MICROPY_PY_DIR}/nlraarch64.c
     ${MICROPY_PY_DIR}/nlrmips.c
     ${MICROPY_PY_DIR}/nlrpowerpc.c
     ${MICROPY_PY_DIR}/nlrrv32.c