[nrf fromlist] ci: Fix Kconfig check for nRF71

The DTS support for this SoC is not yet available upstream, but
preliminary driver support is being added.

Upstream PR #: 88816

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

scripts/ci/check_compliance.py

@@ -988,6 +988,7 @@ def check_no_undef_outside_kconfig(self, kconf):
         "CRC",  # Used in TI CC13x2 / CC26x2 SDK comment
         "DEEP_SLEEP",  # #defined by RV32M1 in ext/
         "DESCRIPTION",
+        "DT_HAS_NORDIC_WIFI71_ENABLED", # DTS support is not available yet
         "ERR",
         "ESP_DIF_LIBRARY",  # Referenced in CMake comment
         "EXPERIMENTAL",