gpio: pm8xxx-gpio: change the license header from CAF to LF
gpio: pm8xxx-gpio: change the license header from CAF to LF

Use the new license header with The Linux Foundation instead of CAF.

Change-Id: I73afbaf73ba47a7adf2b45f7f2c02fde330d2344
Signed-off-by: Willie Ruan <68c93022e5f87c75169691e490695c28101347b7@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas