defconfig: sdxlemur: Enable PMIC and thermal debug features

commit 26721bce ("defconfig: clean up debug config fragment
for SDXLEMUR") accidentally removed several debug config options
enabled before. Add them back.

Change-Id: I186b6aaeb6e09dabe44fbe3f9e4cd7693ecd602b
Signed-off-by: Subbaraman Narayanamurthy <subbaram@codeaurora.org>