drivers: thermal: qmi_cooling: Add support for wlan cooling device

Add support for modem wlan cooling device for qmi cooling device
driver. It enables thermal framework to use this cooling device
mitigation for any thermal zone.

Change-Id: I740394d6f1fcaffdf6f2982d01af5bcdfd7f209a
Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@codeaurora.org>