kona-common: Don't build torch

Change-Id: Ic79e9448d253ccad2f070a0d41dea128274835c6
Fix light sensors for GT-N5100

Change-Id: Iaae68beeb4e65c64713b50c10e570db37ab6f2d4
Kona-common: EXYNOS4x12_TABLET_HAS_LED_BUTTONS

Change-Id: Ia023f2d69a687495d4d1ebf92161cba3e34838a4