msm: camera: fix camera crash after daemon reboot

The camera crash occured because the eeprom memory
was freed after first eeprom read from userspace
leading to a non functional camera if the camera
daemon reboots.

Change-Id: I74517a47a6c3832b7bfc5f020b502ff13415f9fb
Signed-off-by: Shivaramraje Nimbalkar Joshi <nimbalkars@codeaurora.org>