lights: Correct LCD minimum brightness value

Change-Id: Idd5d704cff4d88b34865356f500dc1923e6e84fe
thermanager: Correct backlight path

Change-Id: Ib61ba0ee18781318e23814ab807071c8ea1b8dd3
thermanager: Correct backlight values

Change-Id: I907a0c90efb67c63f442acde5ad480e0eec47700
Revert "termanager: disable backlight"

This reverts commit 299e396d716c0d7b141fc43f5cb5394cc4107012.

Conflicts:
	thermanager.xml

Change-Id: Idf3643f04aa8a2ae411578f330488099bc57aacb