leds: add DT binding for Qualcomm PM8941 WLED block

This adds device tree binding documentation for the WLED ('White' LED)
block on Qualcomm's PM8941 PMICs.

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
leds: add Qualcomm PM8941 WLED driver

This adds support for the WLED ('White' LED) block on Qualcomm's
PM8941 PMICs.

Signed-off-by: Courtney Cavin <courtney.cavin@sonymobile.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
ARM: dts: sony-rhine: Correct property of led name

Signed-off-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Merge branch 'atag-fixup'
Merge branch 'drivers/as3676'
Merge branch 'drivers/lc898300xa'
Merge branch 'drivers/hci_smd'
Merge branch 'drivers/msm_rpm'
Merge branch 'drivers/pm8xxx-gpio'
Merge branch 'drivers/pm8x41-pwrkey'
Merge branch 'drivers/qcom-rproc'
Merge branch 'irq/irq-chipstate-v2'
Merge branch 'drivers/qcom-smbb'
Merge branch 'drivers/qcom-smem'
Merge branch 'drivers/qcom-smd'
Merge branch 'drivers/qcom-smd-rpm'
Merge branch 'drivers/qcom-smp2p'
Merge branch 'drivers/qcom-spmi-pinctrl'
Merge branch 'drivers/qcom-smsm'
Merge branch 'drivers/wcn36xx'