Added Develco specific attr to basic cluster
<description>As printed on the product.</description>
</attribute>
<attribute id="0x4000" name="SW Build ID" type="cstring" access="r" required="o" range="0,16"></attribute>
+ <attribute id="0x8000" name="Primary SW Version" type="ostring" access="r" required="m" mfcode="0x1015"></attribute>
<attribute id="0xff0d" name="Xiaomi Sensitivity" type="u8" access="rw" required="o" mfcode="0x115f"></attribute>
<attribute id="0xff22" name="Xiaomi Disconnect 1" type="u8" showas="hex" access="rw" required="o" mfcode="0x115f">
<description>Set to 0x12 (0xFE) to connect (disconnect) the left button to (from) the relay.</description>
