net: sockets: use DTLS in NET_SOCKETS_TLS_MAX_APP_PROTOCOLS

Updates NET_SOCKETS_TLS_MAX_APP_PROTOCOLS Kconfig option description to use
DTLS instead of DTL.

Signed-off-by: Daniel Mangum <[email protected]>

Author: hasheddan

subsys/net/lib/sockets/Kconfig

@@ -149,7 +149,7 @@ config NET_SOCKETS_TLS_MAX_APP_PROTOCOLS
 	depends on NET_SOCKETS_SOCKOPT_TLS && MBEDTLS_SSL_ALPN
 	help
 	  This variable sets maximum number of supported application layer
-	  protocols over TLS/DTL that can be set explicitly by a socket option.
+	  protocols over TLS/DTLS that can be set explicitly by a socket option.
 	  By default, no supported application layer protocol is set.
 
 config NET_SOCKETS_TLS_MAX_CLIENT_SESSION_COUNT