net: hisilicon: hns_dsaf_mac: fix OF node leak in hns_mac_get_info()

[ Upstream commit 5680cf8d34e1552df987e2f4bb1bff0b2a8c8b11 ]

Driver is leaking OF node reference from
of_parse_phandle_with_fixed_args() in hns_mac_get_info().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240827144421.52852-3-krzysztof.kozlowski@linaro.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>