arm64: defconfig: enable LEDS_QCOM_LPG

arm64: defconfig: enable LEDS_QCOM_LPG

BugLink: http://bugs.launchpad.net/bugs/1763040
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
(cherry picked from commit 37cd0466aac75f20c4eb73d28293cd6d0cc5f983
http://git.linaro.org/landing-teams/working/qualcomm/kernel.git release/qcomlt-4.14)
Signed-off-by: Paolo Pisati <paolo.pisati@canonical.com>
Acked-by: Seth Forshee <seth.forshee@canonical.com>
Acked-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>