external/slsi_wifi: fix wrong information of description
We don't have tools/misc folder so that we recommand to visit
kernel.org site to know kconfig-language.
#
# For a description of the syntax of this configuration file,
-# see misc/tools/kconfig-language.txt.
+# see kconfig-language at https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt
#
+
config NETUTILS_WIFI
bool "SLSI Wi-Fi API"
default n
