thermal/ti-soc-thermal: Fix comment typo

The double `and' is duplicated in line 229, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220715051829.30927-1-wangborong@cdjrlc.com


Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>