thunderbolt: Rename Intel TB_VSE_CAP_IECS capability

Rename the VSC capability: TB_VSE_CAP_IECS to TB_VSE_CAP_CP_LP to follow
the Intel devices namings as appear in the datasheet. This capability
is used for controlling CLx (Low Power states of the link).

Signed-off-by: Gil Fine <gil.fine@intel.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>

drivers/thunderbolt/tb_regs.h

@@ -33,7 +33,7 @@ enum tb_switch_cap {
 enum tb_switch_vse_cap {
 	TB_VSE_CAP_PLUG_EVENTS		= 0x01, /* also EEPROM */
 	TB_VSE_CAP_TIME2		= 0x03,
-	TB_VSE_CAP_IECS			= 0x04,
+	TB_VSE_CAP_CP_LP		= 0x04,
 	TB_VSE_CAP_LINK_CONTROLLER	= 0x06, /* also IECS */
 };