tree bc6521d618f5fe16c8cc00775f28c96e44d62340
parent 8c8b2c0c0b14ceb4b30ce2bbdecbc409d17e0bb1
author wangxl <wangxl@thundersoft.com> 1423019082 +0800
committer wangxl <wangxl@thundersoft.com> 1423019082 +0800

FP2-19: configure gpio 2 of pm8941 for volume down

in the project, volume down was designed to connected with gpio2 of PM8941.
it is different from the design of qualcomm. so it needs to be re-configured

Change-Id: Ia296ac8a2baa7a61c9bbf1c81116c60c14391ad7