docs/library/network: Update docs for network.country, network.hostname.

Also marks wlan.config(hostname) as deprecated.

Signed-off-by: Jim Mussared <jim.mussared@gmail.com>

docs/library/network.WLAN.rst

@@ -130,7 +130,7 @@ Methods
    hidden         Whether SSID is hidden (boolean)
    security       Security protocol supported (enumeration, see module constants)
    key            Access key (string)
-   hostname       The hostname that will be sent to DHCP (STA interfaces) and mDNS (if supported, both STA and AP)
+   hostname       The hostname that will be sent to DHCP (STA interfaces) and mDNS (if supported, both STA and AP). (Deprecated, use :func:`network.hostname` instead)
    reconnects     Number of reconnect attempts to make (integer, 0=none, -1=unlimited)
    txpower        Maximum transmit power in dBm (integer or float)
    =============  ===========

docs/library/network.rst

@@ -158,12 +158,39 @@ Network functions
 
 The following are functions available in the network module.
 
+.. function:: country([code])
+
+    Get or set the two-letter ISO 3166-1 Alpha-2 country code to be used for
+    radio compliance.
+
+    If the *code* parameter is provided, the country will be set to this value.
+    If the function is called without parameters, it returns the current
+    country.
+
+    The default code ``"XX"`` represents the "worldwide" region.
+
+.. function:: hostname([name])
+
+    Get or set the hostname that will identify this device on the network. It is
+    applied to all interfaces.
+
+    This hostname is used for:
+     * Sending to the DHCP server in the client request. (If using DHCP)
+     * Broadcasting via mDNS. (If enabled)
+
+    If the *name* parameter is provided, the hostname will be set to this value.
+    If the function is called without parameters, it returns the current
+    hostname.
+
+    The default hostname is typically the name of the board.
+
 .. function:: phy_mode([mode])
 
     Get or set the PHY mode.
 
-    If the *mode* parameter is provided, sets the mode to its value. If
-    the function is called without parameters, returns the current mode.
+    If the *mode* parameter is provided, the PHY mode will be set to this value.
+    If the function is called without parameters, it returns the current PHY
+    mode.
 
     The possible modes are defined as constants:
         * ``MODE_11B`` -- IEEE 802.11b,