Telephony: Control operator selection using EF_CSP data.

As per CPHS4_2.WW6, CPHS B.4.7.1, the most significant bit of
Value Added Services Group(0xC0) info, controls operator selection menu.
   -If this bit is set, display operator selection menu to user.
   -If this bit is not set do not display operator selection menu to user,
	 set Network Selection Mode to Automatic.

Change-Id: Icca4898abced0b0beb94c3434448a26eae72008b